{"title":"Tusa Regulators","description":"\u003ch2 style=\"font-size: 20px\"\u003eTUSA Regulators — ANSTI-Tested, Cold-Water Ready\u003c\/h2\u003e\n\n\u003cp\u003eEvery TUSA regulator is subjected to rigorous testing on an ANSTI machine before it ships — inhalation resistance, exhalation resistance, work of breathing, and intermediate pressure are all verified against specification. That's not a marketing claim; it's a quality control commitment that reflects TUSA's engineering philosophy across its entire product range, going back to 1952.\u003c\/p\u003e\n\n\u003cp\u003eAt DiveCatalog.com, we carry the current TUSA regulator lineup as an authorized dealer.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2 style=\"font-size: 20px\"\u003eThe TUSA Regulator Range\u003c\/h2\u003e\n\n\u003ch3 style=\"font-size: 17px\"\u003eRS-790 \/ R-700 — Cold-Water Engineered First Stage\u003c\/h3\u003e\n\u003cp\u003eThe R-700 first stage uses a Dry Ambient Pressure Chamber that prevents water contact with the diaphragm and spring, maintaining clean, consistent performance at depth. The ribbed top cap section is engineered to act as a heat radiator, increasing heat transfer to the critical internal parts most susceptible to freezing when gas pressure drops rapidly in cold water — a design detail specifically aimed at cold-water diving reliability. Port configuration includes two high-flow low-pressure ports (providing up to 15% more airflow than standard LP ports), two standard LP ports, and two HP ports. The paired S-90 second stage is pneumatically balanced for smooth, consistent breathing with a built-in Venturi adjustment lever offering Surface and Dive positions. Available in Yoke configuration.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 17px\"\u003eRS1001 — Compact Balanced Diaphragm\u003c\/h3\u003e\n\u003cp\u003eThe RS1001 pairs the compact, lightweight R1000 balanced diaphragm first stage with the S0001 second stage. The R1000 provides four LP ports (two high-flow, two standard) and two HP ports — a full complement for multiple hose configurations. The cold-water insulation system maintains performance in cooler conditions. The S0001 features a Venturi adjustment lever and an ortho-consciously designed mouthpiece for comfort and reduced jaw fatigue, with left- or right-hand configuration flexibility. Available in Yoke and DIN, with EN250 A cold-water certification on the DIN version.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 17px\"\u003eSafe Second SS-0001 — Compact Octopus\u003c\/h3\u003e\n\u003cp\u003eA lightweight, compact octopus in a composite case, supporting left or right-hand configuration. The Venturi adjustment lever improves breathing comfort, and the ortho-consciously designed mouthpiece matches the ergonomic philosophy of the primary second stages. An efficient, well-matched backup regulator for any TUSA primary system.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2 style=\"font-size: 20px\"\u003eWhy Buy TUSA Regulators from DiveCatalog.com?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuthorized TUSA dealer\u003c\/strong\u003e — genuine products, full manufacturer warranty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eANSTI-tested regulators\u003c\/strong\u003e — every unit verified before shipping\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpert advice\u003c\/strong\u003e — our team can help you choose and match the right configuration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast shipping\u003c\/strong\u003e — in-stock items ship within one business day\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRewards program\u003c\/strong\u003e — earn points on every purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2 style=\"font-size: 20px\"\u003eFrequently Asked Questions — TUSA Regulators\u003c\/h2\u003e\n\n\u003ch3 style=\"font-size: 17px\"\u003eWhat is ANSTI testing?\u003c\/h3\u003e\n\u003cp\u003eThe ANSTI machine (Anti-Fatigue and Simulation Testing Instrument) simulates real-world breathing patterns at depth, measuring inhalation and exhalation resistance and work of breathing at standardized flow rates and pressures. TUSA tests every regulator on this equipment before shipping rather than relying on statistical sampling.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 17px\"\u003eWhat is the Dry Ambient Pressure Chamber on the R-700?\u003c\/h3\u003e\n\u003cp\u003eIt prevents water from contacting the internal diaphragm and spring of the first stage, keeping those components clean and functioning correctly regardless of diving conditions — salt water, silt, or contaminated water cannot reach the internal mechanism.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 17px\"\u003eWhat is the ribbed top cap for on the R-700?\u003c\/h3\u003e\n\u003cp\u003eIt's engineered to act as a heat radiator for the first stage, increasing heat transfer to the internal components most susceptible to freezing when gas pressure drops rapidly in cold-water conditions.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003eBrowse the full TUSA regulator collection above and reach out if you'd like help choosing and matching the right regulator for your diving.\u003c\/p\u003e","products":[{"product_id":"tusa-rs-790-dive-regulator-set-suitable-for-cold-water-diving","title":"Tusa RS-790 Dive Regulator Yoke","description":"\u003cdiv\u003e\n\u003cp\u003eThe RS-790 Dive Regulator Yoke delivers consistent performance for scuba diving with a focus on reliability, durability and comfort. The R-700 first stage uses a Dry Ambient Pressure Chamber to prevent water contact with the diaphragm and spring, helping maintain steady breathing at depth in cold water.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for cold-water environments, the R-700 features a ribbed top cap section that acts like a radiator to increase heat transfer. This design helps warm the critical internal parts that can freeze due to gas pressure drops and low temperatures during dives.\u003c\/p\u003e\n\n\u003cp\u003eThe system accommodates versatile air delivery with multiple ports. Two high-flow low-pressure ports are complemented by two standard LP ports and two HP ports, positioned near the diaphragm to offer up to a 15% increase in air flow for easier breathing during demanding dives.\u003c\/p\u003e\n\n\u003cp\u003eThe S-90 second stage is pneumatically balanced, reducing inhalation resistance and providing smooth breathing under varying conditions. A built-in Venturi adjustment lever offers two positions: Surface or minimum for entry on the surface to minimize free flow, and Dive or maximum for heightened airflow during the dive.\u003c\/p\u003e\n\n \u003c\/div\u003e","brand":"Tusa","offers":[{"title":"Default Title","offer_id":35391697551528,"sku":"RS-790-BK","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/tusa-rs-790-dive-regulator-yoke.jpg?v=1743745146"},{"product_id":"tusa-rs1001-dive-regulator-set","title":"Tusa RS1001 Dive Regulator Set DIN","description":"\u003cdiv\u003e\n\u003cp\u003eThe RS1001 Dive Regulator Set from Tusa is designed for scuba diving and recreational diving. The balanced diaphragm R1000 first stage is compact and lightweight, with four low-pressure ports and two high-pressure ports to accommodate a range of hoses and configurations. This setup is tuned for reliable airflow and consistent performance across different diving scenarios.\u003c\/p\u003e\n\n\u003cp\u003eThe S0001 second stage includes a venturi adjustment lever that helps deliver air smoothly with each breath. The set features a DIN option for 300 bar \/ 4350 psi systems and comes in a lightweight, compact composite case. The design supports left or right-hand configuration, and the mouth piece is contoured for comfort, while a cold water insulation system helps maintain performance in cooler waters.\u003c\/p\u003e\n\n \u003c\/div\u003e","brand":"Tusa","offers":[{"title":"Default Title","offer_id":40296487452872,"sku":"RS-1001U DIN BK","price":569.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/tusa-rs1001-dive-regulator-set-din.jpg?v=1743747231"},{"product_id":"tusa-rs790-dive-regulator-set-for-cold-water-diving","title":"Tusa RS-790 Regulator Din Version","description":"\u003cdiv\u003e\n\u003cp\u003eThe RS-790 regulator delivers reliable performance, durability, and comfort for divers who demand dependable gear. Built around the R-700 balanced diaphragm first stage, it is designed for cold-water use. A dry ambient pressure chamber prevents water from contacting the diaphragm, helping maintain consistent performance in cooler conditions.\u003c\/p\u003e\n\u003cp\u003eIn the DIN version, this regulator is suited for scuba and diving applications across recreational settings. Its robust construction supports longer dives and underwater exploration, with a focus on dependable breathability, ease of maintenance, and lasting value.\u003c\/p\u003e\n \u003c\/div\u003e","brand":"Tusa","offers":[{"title":"Default Title","offer_id":40296487551176,"sku":"RS-790-BK-DIN","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/tusa-rs-790-regulator-din-version.jpg?v=1743747232"},{"product_id":"tusa-regulator-rs-811-like-new-1","title":"Open Box Tusa Regulator RS-811","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe RS-811 features a balanced piston first stage, offered in both yoke and DIN configurations. This compact, lightweight first stage delivers instant and consistent airflow by way of two H.P. and four L.P. ports. The RS-812 also offers an accommodating breathing resistance adjustment knob and universal swivel hose providing higher utility and greater variety.\u003c\/p\u003e\n\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\n\u003cb\u003eFirst stage (R-800)\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eCompact and reliable balanced piston first stage\u003c\/li\u003e\n\u003cli\u003eInstant delivery of air and high airflow for superior performance\u003c\/li\u003e\n\u003cli\u003eTwo H.P. ports and four L.P. ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cb\u003eSecond stage (S-12)\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eCompact case design\u003c\/li\u003e\n\u003cli\u003eOrtho-consciously designed mouthpiece\u003c\/li\u003e\n\u003cli\u003eVenturi adjustment lever\u003c\/li\u003e\n\u003cli\u003eA.F.S. Advanced Flow System\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cb\u003eTechnology:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eAdvanced Flow System\u003c\/b\u003e\u003cbr\u003e\nThe advanced flow system allows ease of air flow and makes air delivery smoother due to the curved housing structure.\u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eOrtho-conscious Mouth Piece\u003c\/b\u003e\u003cbr\u003e\nThe ortho-conscious mouth piece feature prevents jaw fatigue. The ridges and flexible material allow the diver to have more control of the mouth piece and reduces tension in the jaw.\u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eVenturi Flow Adjustment\u003c\/b\u003e\u003cbr\u003e\nThe venturi flow adjustment allows for ease of breathing by controlling the direction of air through the mouthpiece.","brand":"Tusa","offers":[{"title":"Like New","offer_id":42997669298397,"sku":"TUS-RS-811U-BK+LN","price":279.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/tusa-regulator-rs-811-like-new-2_e09670c5.jpg?v=1755297454"},{"product_id":"tusa-ss-0001-safe-second-octopus","title":"Open Box TUSA SS-0001 Safe Second Octopus","description":"The SS0001 safe-second has a lightweight and compact composite case design and allows for both left and right hand configuration. The SS0001 features a venturi adjustment lever for easier breathing and an ortho-conscious mouthpiece.","brand":"Tusa","offers":[{"title":"Like New","offer_id":42997670641885,"sku":"TUS-SS-0001U-Y+LN","price":125.3,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/open-box-tusa-ss-0001-safe-second-octopus.jpg?v=1743750522"},{"product_id":"tusa-compact-diaphragm-regulator","title":"Tusa RS-609U Compact Diaphragm Regulator","description":"\u003cdiv\u003e\n\u003cp\u003eThe Tusa RS-609U Compact Diaphragm Regulator combines ultra-lightweight design with flexible performance for scuba diving. A balanced diaphragm first stage delivers steady airflow, and the efficient demand system supports easy, natural breathing underwater.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for versatility, the RS-609U supports cold-water readiness and system upgrades. The EK-600 cold water kit is available for temperatures below 50°F\/10°C, and a DIN-R600 conversion kit expands compatibility to 300 bar\/4350 psi cylinders, preserving flexibility for different diving environments.\u003c\/p\u003e\n\n \u003c\/div\u003e","brand":"Tusa","offers":[{"title":"Black \/ YOKE","offer_id":44668458696925,"sku":"RS-609U-BKBK","price":575.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ DIN","offer_id":47273106342109,"sku":"RS-609U-BK-DIN","price":575.0,"currency_code":"USD","in_stock":true},{"title":"White \/ YOKE","offer_id":44668458729693,"sku":"RS-609U-WW","price":575.0,"currency_code":"USD","in_stock":true},{"title":"White \/ DIN","offer_id":47273106374877,"sku":"RS-609U-W-DIN","price":575.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/tusa-rs-609u-compact-diaphragm-regulator-black.jpg?v=1743760436"},{"product_id":"tusa-rs-681-regulator","title":"Tusa RS-681 Regulator","description":"\u003cdiv\u003e\n\u003cp\u003eThe RS-681 regulator from TUSA combines a compact, lightweight design with strong performance for scuba and diving adventures. The ultra-compact balanced diaphragm R-600 first stage is paired with the new S-81 second stage to deliver smooth breathing in a small, reliable package.\u003c\/p\u003e\n\n\u003cp\u003eDesigned with practical features for field use, the R-600 first stage offers 2 HP ports and 4 LP ports, a Venturi adjustment lever, and a built-in moisture exchange plate. The elliptical low-profile case design, along with a MIFLEX hose, enhances flexibility and reduces snag risk during underwater exploration.\u003c\/p\u003e\n\n\u003cp\u003eCompatibility and comfort are supported by options such as the EK-600 cold water kit for temperatures below 50°F\/10°C and the DIN-R600 conversion kit (300 bar\/4350 psi). An ortho-consciously designed mouthpiece and Breathing Resistance Adjustment Control provide a tailored feel for divers, while S.E.A. (Sequential Exhaust Assist) helps manage exhaust flow.\u003c\/p\u003e\n\n \u003c\/div\u003e","brand":"Tusa","offers":[{"title":"Default Title","offer_id":44672932511965,"sku":"RS-681U-MBK","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/tusa-rs-681-regulator.jpg?v=1743760492"},{"product_id":"open-box-tusa-rs-790-dive-regulator-set","title":"Open Box Tusa RS-790 Dive Regulator Set","description":"The RS-790 delivers performance, durability and comfort making it the ideal choice for discerning divers.\n\nThe R-700 is a balanced diaphragm first stage designed for cold-water use, it features a dry ambient pressure chamber that prevents water contact with the diaphragm maximizing performance in temperate water conditions below 50°F\/10°C.  Additionally, the R-700 has an external rib section that nearly doubles the surface area for thermal exchange further reducing ice formaton that can lead to freeze up in extreme conditions.  The R-700 has two high pressure ports and four low pressure ports including two high flow (HF) that deliver up to a 15% increase in air flow.  It is available in both INT (yoke) and DIN versions.\n\nThe S-90 second stage is a compact pneumatically balanced system that features a composite housing which insulates and protects under extreme cold-water conditions.  The S-90 is equipped with a built-in venturi adjustment lever allowing the diver to select a surface or minimum setting reducing possible free flow or a dive setting for maximum air flow during the dive.","brand":"Tusa","offers":[{"title":"Default Title","offer_id":44783492202717,"sku":"TUS-RS-790+OB","price":423.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/open-box-tusa-rs-790-dive-regulator-set.jpg?v=1743762297"},{"product_id":"tusa-safe-second-ss-0001-high-performance-lightweight-octopus","title":"Tusa Safe Second SS-0001 High Performance Lightweight Octopus","description":"\u003cdiv\u003e\n\u003cp\u003eThe Tusa Safe Second SS-0001 octopus offers a compact, lightweight option for scuba diving, with a durable composite case and support for left- or right-hand configurations. This design helps divers maintain a balanced profile while keeping equipment comfortable and easy to manage during dives.\u003c\/p\u003e\n\n\u003cp\u003eIts venturi adjustment lever enables smoother airflow control, contributing to more efficient breathing under water. The mouthpiece is orthopedically designed to fit comfortably, reducing jaw fatigue and enhancing overall ease of use in demanding diving environments.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for reliable performance in a range of diving conditions, the SS0001 pairs with standard regulators to support smooth gas delivery and intuitive operation for both casual and experienced divers.\u003c\/p\u003e\n\n \u003c\/div\u003e","brand":"Tusa","offers":[{"title":"Default Title","offer_id":45352788295901,"sku":"SS-0001U-Y","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/tusa-safe-second-ss-0001-high-performance-lightweight-octopus.jpg?v=1743766293"},{"product_id":"tusa-rs1001-dive-regulator-set-suitable-for-cold-water-diving-1","title":"Tusa RS1001 Dive Regulator Set Suitable for Cold Water Diving","description":"\u003cdiv\u003e\n\u003cp\u003eThe RS1001 Dive Regulator Set is designed for scuba and cold-water diving, delivering steady airflow in demanding conditions. The balanced diaphragm R1000 first stage is compact and lightweight, with four low-pressure ports and two high-pressure ports, fine-tuned for reliable performance.\u003c\/p\u003e\n\n\u003cp\u003eThe S0001 second stage features a venturi adjustment lever to deliver air smoothly with each breath. The mouthpiece is ortho-consciously designed for comfort during extended dives, and the set offers versatile mounting options including left- or right-hand configuration.\u003c\/p\u003e\n\n\u003cp\u003eIt is available in a DIN version as RS1001 DIN (300 bar\/4350 psi) for higher-pressure systems and incorporates a cold water insulation system to maintain performance in cooler waters.\u003c\/p\u003e\n\n \u003c\/div\u003e","brand":"Tusa","offers":[{"title":"Default Title","offer_id":45352850227421,"sku":"RS-1001U BK","price":569.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/tusa-rs1001-dive-regulator-set-suitable-for-cold-water-diving.jpg?v=1743766297"},{"product_id":"tusa-rs-1207-regulator-int","title":"Tusa RS-1207 Regulator INT","description":"\u003cdiv\u003e\n\u003cp\u003eThe TUSA RS1207 Regulator INT offers a lightweight, durable option for scuba enthusiasts. Designed with entry-level divers in mind, it provides reliable performance during training sessions and rental use, with maintenance that is quick and straightforward for dive shops and recreational divers alike.\u003c\/p\u003e\n\u003cp\u003eThis regulator uses a standard piston first stage with flexible configuration, featuring 4 MP ports and 1 HP port to accommodate a variety of hoses and setups. The second stage is simple and dependable, employing a non-compensating downstream valve for consistent breathing. Venturi control helps minimize free-flow for smooth, controlled breathing, while a flexible casing with a large purge button ensures easy clearing at depth.\u003c\/p\u003e\n \u003c\/div\u003e","brand":"Tusa","offers":[{"title":"Default Title","offer_id":45356033147101,"sku":"TUS-RS1207E BK","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/tusa-rs-1207-regulator-int.jpg?v=1743766314"},{"product_id":"tusa-ss0007-octopus-safe-second-stage-regulator","title":"Tusa SS0007 Octopus Safe Second Stage Regulator","description":"\u003cp\u003eThe TUSA SS0007 Octo\/Safe Second Stage Regulator is an essential accessory for any diving regulator setup. This lightweight, durable second stage is designed to withstand heavy use, ensuring long-lasting performance. With exceptional breathability, the SS0007 offers reliable and easy breathing, making it an excellent choice for both recreational and professional divers.\u003c\/p\u003e","brand":"Tusa","offers":[{"title":"Default Title","offer_id":45359641919709,"sku":"TUS-SS0007E Y","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/tusa-ss0007-octopus-safe-second-stage-regulator.jpg?v=1743766330"},{"product_id":"tusa-safe-second-ss-81","title":"Tusa Safe Second, SS-81 Octopus","description":"The SS-81 safe-second combines a compact case with a venturi adjustment lever and an ergonomically designed mouthpiece.\n","brand":"Tusa","offers":[{"title":"Default Title","offer_id":46539932696797,"sku":"SS-81-Y","price":299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/1618947.jpg?v=1756176284"},{"product_id":"tusa-safe-second-ss-82","title":"Tusa Safe Second, SS-81","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eTusa Safe Second, SS-81\u003c\/b\u003e is a compact octopus regulator designed for scuba and diving scenarios. Its streamlined, low-profile case minimizes drag for smoother underwater performance. A user-friendly Venturi adjustment lever provides precise air delivery control, while an ergonomic, ortho-conscious mouthpiece helps reduce jaw fatigue during extended dives.\u003c\/p\u003e\n\n\u003cp\u003eIncorporating S.E.A. (Sequential Exhaust Assist) technology supports efficient exhalation, and a moisture exchange plate helps maintain natural breathing comfort at depth. A breathing resistance control knob lets divers tailor airflow to personal preference, ensuring reliable performance across varied diving conditions.\u003c\/p\u003e\n\n \u003c\/div\u003e","brand":"Tusa","offers":[{"title":"Default Title","offer_id":46551150297309,"sku":"SS-81U-Y","price":345.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/1539467.jpg?v=1751924348"},{"product_id":"open-box-tusa-rs-790-dive-regulator-yoke","title":"Open Box Tusa RS-790 Dive Regulator Yoke","description":"\u003cdiv\u003e\n\u003cp\u003eThe RS-790 Dive Regulator Yoke delivers consistent performance for scuba diving with a focus on reliability, durability and comfort. The R-700 first stage uses a Dry Ambient Pressure Chamber to prevent water contact with the diaphragm and spring, helping maintain steady breathing at depth in cold water.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for cold-water environments, the R-700 features a ribbed top cap section that acts like a radiator to increase heat transfer. This design helps warm the critical internal parts that can freeze due to gas pressure drops and low temperatures during dives.\u003c\/p\u003e\n\n\u003cp\u003eThe system accommodates versatile air delivery with multiple ports. Two high-flow low-pressure ports are complemented by two standard LP ports and two HP ports, positioned near the diaphragm to offer up to a 15% increase in air flow for easier breathing during demanding dives.\u003c\/p\u003e\n\n\u003cp\u003eThe S-90 second stage is pneumatically balanced, reducing inhalation resistance and providing smooth breathing under varying conditions. A built-in Venturi adjustment lever offers two positions: Surface or minimum for entry on the surface to minimize free flow, and Dive or maximum for heightened airflow during the dive.\u003c\/p\u003e\n\n \u003c\/div\u003e","brand":"Tusa","offers":[{"title":"Default Title","offer_id":46746316865757,"sku":"TUS-RS-790-BK+OB","price":479.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/products\/tusa-rs-790-dive-regulator-yoke.jpg?v=1743745146"},{"product_id":"tusa-rs-1207-regulator-int-rental","title":"Tusa RS-1207 Regulator (Rental)","description":"\u003cp\u003eThe TUSA RS1207 Regulator is a lightweight and durable choice, ideal for entry-level divers. Designed for easy maintenance, this regulator is perfect for training sessions and rental use, ensuring reliability and ease of care for all diving needs.\u003c\/p\u003e\n","brand":"Tusa","offers":[{"title":"YOKE","offer_id":46814308597981,"sku":"TUS-RS1207E BK+RENTAL","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/1624977.jpg?v=1758757128"},{"product_id":"tusa-ss0007-octopus-safe-second-stage-regulator-rental","title":"Tusa SS0007 Octopus Safe Second Stage Regulator (Rental)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe TUSA SS0007 Octo\/Safe Second Stage Regulator is an essential accessory for any diving regulator setup. This lightweight, durable second stage is designed to withstand heavy use, ensuring long-lasting performance. With exceptional breathability, the SS0007 offers reliable and easy breathing, making it an excellent choice for both recreational and professional divers.\u003c\/p\u003e\n","brand":"Tusa","offers":[{"title":"Default Title","offer_id":46814308106461,"sku":"TUS-SS0007E Y+RENTAL","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/1624978.jpg?v=1767931439"},{"product_id":"tusa-duo-air-2","title":"Used Tusa Duo Air 2","description":"\u003cp\u003eThe SS0002 Duo Air II is an alternate air source that also provides you with an easy-to-operate power inflator. 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Pick your regulator from the Tusa RS-609U Compact Diaphragm Regulator, the RS1001, or the RS-790 to match the way you dive, then pair it with the TC1 for your dive planning and monitoring.\u003c\/p\u003e\u003cp\u003eThe RS-609U is built around a balanced diaphragm first stage that delivers steady airflow, backed by an efficient demand system for easy, natural breathing. It's set up for cold-water diving and future upgrades: the EK-600 cold water kit is available for temperatures below 50°F\/10°C, and the DIN-R600 conversion kit expands compatibility to 300 bar\/4350 psi cylinders.\u003c\/p\u003e\u003cp\u003eThe Tusa TC1 rounds out the package as a wrist computer for primary or back-up use, running Scuba, Plan, Free diving, and Gauge modes on the Buhlmann ZHL-16C algorithm. It's powered by a rechargeable Li-Ion battery, has an adjustable backlight, and gives you audio, visual, and vibration alerts to keep you aware underwater. The TC1 comes in Black or White and accepts an optional nylon strap (TA0906) if you want to swap the stock band.\u003c\/p\u003e","brand":"Tusa","offers":[{"title":"Tusa RS-609U","offer_id":48452474863837,"sku":"DCB-REG-TUSA-RS-609U-COMPUTER-1","price":924.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS1001","offer_id":48452474896605,"sku":"DCB-REG-TUSA-RS-609U-COMPUTER-2","price":918.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS-790","offer_id":48452474929373,"sku":"DCB-REG-TUSA-RS-609U-COMPUTER-3","price":948.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/reg-tusa-rs-609u-computer_gmc_78299419-e164-49ac-9eac-c22abb19d524.png?v=1788546130"},{"product_id":"tusa-regulator-octopus-package-rs-609u-regulator-ss-0001-safe-second","title":"Tusa Regulator + Octopus Package – RS-609U Regulator + SS-0001 Safe Second","description":"\u003cp\u003eThis package pairs a Tusa regulator with the Tusa Safe Second SS-0001 octopus, giving you a matched primary and backup breathing setup in one order. Pick the regulator that fits how you dive: the Tusa RS-609U Compact Diaphragm Regulator, the Tusa RS1001, or the Tusa RS-790. The RS-609U uses a balanced diaphragm first stage for steady airflow and an efficient demand system for easy, natural breathing, and it is built with upgrades in mind, including an EK-600 cold water kit for temperatures below 50°F\/10°C and a DIN-R600 conversion kit that extends compatibility to 300 bar\/4350 psi cylinders.\u003c\/p\u003e\u003cp\u003eThe Safe Second SS-0001 rounds out the set as your backup air source. It has a compact, lightweight composite case and can be set up for left- or right-hand use, so it fits how you actually dive. A venturi adjustment lever gives you control over airflow to help reduce free-flow, and the ortho-consciously designed mouthpiece is shaped to cut down on jaw fatigue over a long dive.\u003c\/p\u003e\u003cp\u003eBuying the regulator and octopus together means both pieces are on hand from day one, with no separate ordering or matching parts on your own. The SS-0001 is designed to pair with standard regulators, so however you configure your gear, air sharing stays straightforward.\u003c\/p\u003e","brand":"Tusa","offers":[{"title":"Tusa RS-609U","offer_id":48452489773277,"sku":"DCB-REG-TUSA-RS-609U-OCTO-1","price":774.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS1001","offer_id":48452489806045,"sku":"DCB-REG-TUSA-RS-609U-OCTO-2","price":768.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS-790","offer_id":48452489838813,"sku":"DCB-REG-TUSA-RS-609U-OCTO-3","price":798.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/reg-tusa-rs-609u-octo_gmc_c2d23030-3ac7-4c4d-b642-36bf7e752ef4.png?v=1787865373"},{"product_id":"tusa-regulator-gauge-console-package-rs-609u-regulator-3-gauge-pressure-depth-compass","title":"Tusa Regulator + Gauge Console Package – RS-609U Regulator + 3-Gauge (Pressure, Depth, Compass)","description":"\u003cp\u003eThis package pairs a Tusa regulator with the Tusa Pressure, Depth \u0026amp; Compass Gauge (model SC-0301), giving you a first stage and a three-in-one instrument console in a single order. Pick your regulator at checkout: the compact Tusa RS-609U, the Tusa RS1001, or the Tusa RS-790, each paired with the same gauge console.\u003c\/p\u003e\u003cp\u003eThe RS-609U, the package's featured regulator, uses an ultra-compact balanced diaphragm first stage that delivers steady airflow, paired with an efficient demand system for easy, natural breathing underwater. It's built for versatility: an EK-600 cold water kit is available for diving below 50°F\/10°C, and a DIN-R600 conversion kit is available to expand compatibility to 300 bar\/4350 psi cylinders. The first stage carries 2 HP and 4 LP ports for routing your gauge console, hoses, and other accessories.\u003c\/p\u003e\u003cp\u003eThe gauge side of the package is the Tusa SC-0301 console, which puts three readings in one instrument: a 500 psi pressure gauge to track remaining air, a depth gauge marked in feet, and a North Hemisphere compass for underwater navigation. Pairing the regulator and gauge console together means your air-pressure display, depth reference, and compass are matched and ready to dive as a set.\u003c\/p\u003e","brand":"Tusa","offers":[{"title":"Tusa RS-609U","offer_id":48452502257885,"sku":"DCB-REG-TUSA-RS-609U-GAUGE-1","price":910.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS1001","offer_id":48452502290653,"sku":"DCB-REG-TUSA-RS-609U-GAUGE-2","price":904.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS-790","offer_id":48452502323421,"sku":"DCB-REG-TUSA-RS-609U-GAUGE-3","price":934.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/reg-tusa-rs-609u-gauge_gmc_53f4e433-4018-4c70-b87d-6eb852c4adf8.png?v=1788546192"},{"product_id":"tusa-regulator-dive-computer-package-rs-790-regulator-dc-solar-link-dive-computer","title":"Tusa Regulator + Dive Computer Package – RS-790 Regulator + DC Solar Link Dive Computer","description":"\u003cp\u003eThis package pairs the Tusa RS-790 Dive Regulator Yoke with the Tusa DC Solar Link dive computer, giving you a matched regulator and computer setup for scuba diving. At checkout you can choose your regulator from the RS-790, RS-609U, or RS1001, so you can match the set to your diving style while keeping the same DC Solar Link computer.\u003c\/p\u003e\n\u003cp\u003eThe RS-790 uses Tusa's R-700 first stage with a Dry Ambient Pressure Chamber that keeps water off the diaphragm and spring, helping it hold steady breathing in cold water below 50°F\/10°C. A ribbed top cap adds heat transfer to help reduce the risk of internal parts freezing, and the port layout, two high-flow low-pressure ports plus two standard LP ports and two HP ports near the diaphragm, is built to boost airflow by up to 15%. The S-90 second stage is pneumatically balanced for smoother breathing, and its two-position Venturi lever lets you switch between a surface setting to cut down free flow and a dive setting for stronger airflow once you're underwater.\u003c\/p\u003e\n\u003cp\u003eThe DC Solar Link dive computer rounds out the package with a solar rechargeable design, so there are no batteries to replace, plus Bluetooth SMART connectivity that syncs your dive log to the TUSA Diving LOG app on a phone or tablet. It runs the AA Buhlmann ZHL-16C decompression algorithm, supports four gas mixes from 21 to 100% oxygen, and includes a Free-Dive Mode for freediving sessions. Audible and visual alarms, a backlit display, and Altitude Smart Mode round out the feature set, giving you a regulator built for reliable airflow and a computer built to track and plan the dive around it.\u003c\/p\u003e","brand":"Tusa","offers":[{"title":"Tusa RS-790","offer_id":48452565795037,"sku":"DCB-REG-TUSA-RS-790-COMPUTER-1","price":1298.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS-609U","offer_id":48452565827805,"sku":"DCB-REG-TUSA-RS-790-COMPUTER-2","price":1274.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS1001","offer_id":48452565860573,"sku":"DCB-REG-TUSA-RS-790-COMPUTER-3","price":1268.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/reg-tusa-rs-790-computer_gmc_a97f5e3f-a78b-4c5b-ace3-8b828f5ab937.png?v=1788546316"},{"product_id":"tusa-regulator-octopus-package-rs-790-regulator-ss-0001-safe-second","title":"Tusa Regulator + Octopus Package – RS-790 Regulator + SS-0001 Safe Second","description":"\u003cp\u003eThis package pairs a Tusa regulator with the Tusa Safe Second SS-0001 octopus, giving you a complete first-stage, second-stage, and alternate-air setup in one purchase. Pick the regulator that fits how you dive: the RS-790, the RS-609U, or the RS1001, all from Tusa. The RS-790 option pairs a R-700 first stage with a Dry Ambient Pressure Chamber that keeps water off the diaphragm and spring, plus a ribbed top cap that acts like a radiator to help warm internal parts in cold water below 50°F\/10°C. Its S-90 second stage is pneumatically balanced for smoother breathing, with a two-position Venturi lever so you can switch between a surface setting to cut down on free flow and a dive setting for full airflow, and airflow is helped along by two high-flow low-pressure ports on top of the standard LP and HP ports.\u003c\/p\u003e\n\u003cp\u003eThe Safe Second SS-0001 rounds out the bundle as your alternate air source. It's built with a lightweight, compact composite case and can be set up for either left- or right-hand use, so you can configure it to match your own gear habits. A Venturi adjustment lever gives you control over airflow, and the mouthpiece is ortho-consciously designed to sit comfortably during longer dives. It comes in a high-visibility yellow so a dive buddy can find it quickly if they ever need it.\u003c\/p\u003e\n\u003cp\u003eTogether, the regulator you choose and the SS-0001 octopus give you a matched Tusa setup built around reliable gas delivery and everyday comfort, whether you're diving warm reefs or working through colder conditions.\u003c\/p\u003e","brand":"Tusa","offers":[{"title":"Tusa RS-790","offer_id":48452574052573,"sku":"DCB-REG-TUSA-RS-790-OCTO-1","price":798.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS-609U","offer_id":48452574085341,"sku":"DCB-REG-TUSA-RS-790-OCTO-2","price":774.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS1001","offer_id":48452574118109,"sku":"DCB-REG-TUSA-RS-790-OCTO-3","price":768.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/reg-tusa-rs-790-octo_gmc_1aa06742-ee9e-40fe-9f5f-0815b6d1fc37.png?v=1787869629"},{"product_id":"tusa-regulator-spg-package-rs-1207-regulator-pressure-gauge","title":"Tusa Regulator + SPG Package – RS-1207 Regulator + Pressure Gauge","description":null,"brand":"Tusa","offers":[{"title":"Tusa RS-1207","offer_id":48452584374493,"sku":"DCB-REG-TUSA-RS-1207-GAUGE-1","price":544.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS1001","offer_id":48452584407261,"sku":"DCB-REG-TUSA-RS-1207-GAUGE-2","price":714.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS-609U","offer_id":48452584440029,"sku":"DCB-REG-TUSA-RS-1207-GAUGE-3","price":720.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/reg-tusa-rs-1207-gauge_gmc_f2a45066-ef3d-482a-bdc2-2b6e67fd4405.png?v=1788546067"},{"product_id":"tusa-regulator-dive-computer-package-rs-681-regulator-dc-solar-link-dive-computer","title":"Tusa Regulator + Dive Computer Package – RS-681 Regulator + DC Solar Link Dive Computer","description":"\u003cp\u003eThis package puts two pieces of Tusa gear together so you're not shopping separately for a regulator and a dive computer: the Tusa regulator and the Tusa DC Solar Link dive computer, one of each in every order. For the regulator, choose the RS-681, RS-790, or RS-609U to match how you dive.\u003c\/p\u003e\u003cp\u003eThe RS-681, the regulator featured in this bundle, pairs Tusa's ultra-compact balanced diaphragm R-600 first stage with the S-81 second stage for smooth breathing in a small, low-profile case. It has 2 HP ports and 4 LP ports, a Venturi adjustment lever, and Breathing Resistance Adjustment Control so you can dial in the feel, along with a built-in moisture exchange plate and a MIFLEX hose for flexibility. Cold-water divers can add the EK-600 cold water kit for temperatures below 50°F\/10°C, and the DIN-R600 conversion kit (300 bar\/4350 psi) is available if you need a DIN fitting. It also qualifies for the TUSA CARE Free Parts for Life program in the USA.\u003c\/p\u003e\u003cp\u003eThe Tusa DC Solar Link dive computer runs on solar power, so there are no batteries to replace, and it uses Bluetooth SMART to send your dive log to a phone or tablet through the TUSA Diving LOG app. It handles 4 gas mixes from 21 to 100% oxygen, includes a Free-Dive Mode, and calculates ascents with the AA Buhlmann ZHL-16C algorithm, backed by audible and visual alarms and a backlit display with full-auto LED backlight for low light. Between the RS-681's steady breathing performance and the Solar Link's dive data on your wrist, this bundle covers the two things you check before every descent.\u003c\/p\u003e","brand":"Tusa","offers":[{"title":"Tusa RS-681","offer_id":48452610457821,"sku":"DCB-REG-TUSA-RS-681-COMPUTER-1","price":1498.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS-790","offer_id":48452610490589,"sku":"DCB-REG-TUSA-RS-681-COMPUTER-2","price":1298.0,"currency_code":"USD","in_stock":true},{"title":"Tusa RS-609U","offer_id":48452610523357,"sku":"DCB-REG-TUSA-RS-681-COMPUTER-3","price":1274.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/files\/reg-tusa-rs-681-computer_gmc_46fbd7ba-a34e-440c-af91-752b906c8d9a.png?v=1788546255"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/3810\/0851\/collections\/8492e2dbbdda279ee9a14a314557a56f.w6673.h4448._SL5000_CR0_920_5000_2168_SX1500.jpg?v=1739993080","url":"https:\/\/divecatalog.com\/collections\/tusa-regulators.oembed?page=2","provider":"DiveCatalog.com","version":"1.0","type":"link"}