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The downstream valve design keeps servicing quick and inexpensive between courses, exactly what a busy dive school needs.\u003c\/p\u003e","brand":"HOTDIVE","offers":[{"title":"1st + 2nd Stage + Octopus + SPG \/ Yellow \/ Black \/ DIN","offer_id":44164214259786,"sku":"S1T1G-D","price":369.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus + SPG \/ Yellow \/ Black \/ Yoke","offer_id":44164232249418,"sku":"S1T1G-Y","price":369.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus \/ Yellow \/ Black \/ DIN","offer_id":44164214227018,"sku":"S1T1O-D","price":319.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus \/ Yellow \/ Black \/ Yoke","offer_id":44164232216650,"sku":"S1T1O-Y","price":319.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage \/ Yellow \/ Black \/ DIN","offer_id":44164214194250,"sku":"S1T1-D","price":230.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage \/ Yellow \/ Black \/ Yoke","offer_id":44164232183882,"sku":"S1T1-Y","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/5598\/6506\/files\/ST1G-Y.jpg?v=1789637007"},{"product_id":"s2t2-travel-scuba-regulator-set","title":"S2T2 Lightweight Dive Regulator Set","description":"\u003cp\u003eThe S2T2 combines the S2 EVO balanced piston first stage with the T2 balanced adjustable second stage in a compact scuba diving regulator set designed with the traveling diver in mind. Machined from marine-grade 316 stainless steel, the S2 EVO is significantly lighter than traditional chrome-plated brass first stages — a difference you will feel on the luggage scale. The balanced piston delivers constant, effortless airflow unaffected by depth or tank pressure, while the T2 lets you fine-tune inhalation effort to the way you breathe. Light to pack, easy to breathe from, and available in five colors that match your kit and pop on camera — the perfect travel companion.\u003c\/p\u003e","brand":"HOTDIVE","offers":[{"title":"1st + 2nd Stage + Octopus + SPG \/ Black \/ DIN","offer_id":44164214521930,"sku":"ST2G-B-D","price":539.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus + SPG \/ Black \/ Yoke","offer_id":44164233265226,"sku":"ST2G-B-Y","price":539.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus + SPG \/ Silver \/ DIN","offer_id":44164214554698,"sku":"ST2G-S-D","price":539.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus + SPG \/ Silver \/ Yoke","offer_id":44164233297994,"sku":"ST2G-S-Y","price":539.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus + SPG \/ White \/ DIN","offer_id":44164214587466,"sku":"ST2G-W-D","price":539.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus + SPG \/ White \/ Yoke","offer_id":44164233330762,"sku":"ST2G-W-Y","price":539.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus + SPG \/ Blue \/ DIN","offer_id":44164214751306,"sku":"ST2G-BL-D","price":539.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus + SPG \/ Blue \/ Yoke","offer_id":44164233363530,"sku":"ST2G-BL-Y","price":539.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus + SPG \/ Pink \/ DIN","offer_id":44164214784074,"sku":"ST2G-P-D","price":539.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus + SPG \/ Pink \/ Yoke","offer_id":44164233396298,"sku":"ST2G-P-Y","price":539.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus \/ Black \/ DIN","offer_id":44164214423626,"sku":"ST2O-B-D","price":429.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus \/ Black \/ Yoke","offer_id":44164233101386,"sku":"ST2O-B-Y","price":429.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus \/ Silver \/ DIN","offer_id":44164214456394,"sku":"ST2O-S-D","price":429.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus \/ Silver \/ Yoke","offer_id":44164233134154,"sku":"ST2O-S-Y","price":429.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus \/ White \/ DIN","offer_id":44164214489162,"sku":"ST2O-W-D","price":429.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus \/ White \/ Yoke","offer_id":44164233166922,"sku":"ST2O-W-Y","price":429.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus \/ Blue \/ DIN","offer_id":44164214685770,"sku":"ST2O-BL-D","price":429.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus \/ Blue \/ Yoke","offer_id":44164233199690,"sku":"ST2O-BL-Y","price":429.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus \/ Pink \/ DIN","offer_id":44164214718538,"sku":"ST2O-P-D","price":429.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage + Octopus \/ Pink \/ Yoke","offer_id":44164233232458,"sku":"ST2O-P-Y","price":429.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage \/ Black \/ DIN","offer_id":44164214325322,"sku":"ST2-B-D","price":319.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage \/ Black \/ Yoke","offer_id":44164232937546,"sku":"ST2-B-Y","price":319.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage \/ Silver \/ DIN","offer_id":44164214358090,"sku":"ST2-S-D","price":319.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage \/ Silver \/ Yoke","offer_id":44164232970314,"sku":"ST2-S-Y","price":319.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage \/ White \/ DIN","offer_id":44164214390858,"sku":"ST2-W-D","price":319.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage \/ White \/ Yoke","offer_id":44164233003082,"sku":"ST2-W-Y","price":319.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage \/ Blue \/ DIN","offer_id":44164214620234,"sku":"ST2-BL-D","price":319.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage \/ Blue \/ Yoke","offer_id":44164233035850,"sku":"ST2-BL-Y","price":319.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage \/ Pink \/ DIN","offer_id":44164214653002,"sku":"ST2-P-D","price":319.0,"currency_code":"USD","in_stock":true},{"title":"1st + 2nd Stage \/ Pink \/ Yoke","offer_id":44164233068618,"sku":"ST2-P-Y","price":319.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/5598\/6506\/files\/ST2G-D.jpg?v=1789637183"},{"product_id":"t1-balanced-second-stage-regulator","title":"T1 Balanced Second Stage","description":"\u003cp\u003eThe T1 is a balanced, non-adjustable second stage built around a SUS 316 stainless steel metal valve core — nothing to fiddle with, nothing to go wrong. The balanced valve keeps inhalation effort low and consistent as depth and tank pressure change, and a metal-valve heat exchanger improves performance in cooler water. At just 176 g in a fiberglass-reinforced nylon case, it sits lightly in the mouth through long dives, which is why it partners the S1 in HOTDIVE’s school and rental regulator sets.\u003c\/p\u003e","brand":"HOTDIVE","offers":[{"title":"Black (Primary)","offer_id":44164209442890,"sku":"T1-B","price":92.9,"currency_code":"USD","in_stock":true},{"title":"Yellow (Octopus)","offer_id":44164209475658,"sku":"T1-OCTO","price":92.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/5598\/6506\/files\/T1.jpg?v=1789636005"},{"product_id":"t2-adjustable-second-stage-regulator","title":"T2 Balanced Adjustable Second Stage","description":"\u003cp\u003eThe T2 is HOTDIVE’s all-round balanced adjustable second stage and the heart of the ST2 regulator sets. A SUS 316 stainless steel metal valve core delivers smooth, consistent air as depth and tank pressure change, while the inhalation adjustment knob and adjustable Venturi outlet let you tune both breathing effort and airflow direction to the way you breathe — cracking effort is a light 1.2–1.5 in H₂O. At 237 g in a fiberglass-reinforced nylon case, it is light enough for travel and available in colors to match the rest of your kit.\u003c\/p\u003e","brand":"HOTDIVE","offers":[{"title":"Black","offer_id":44164210262090,"sku":"T2-B","price":110.0,"currency_code":"USD","in_stock":true},{"title":"Silver-Black","offer_id":44164210294858,"sku":"T2-S","price":110.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":44164210327626,"sku":"T2-W","price":110.0,"currency_code":"USD","in_stock":true},{"title":"Yellow (Octopus)","offer_id":44164210360394,"sku":"T2-OCTO","price":110.0,"currency_code":"USD","in_stock":true},{"title":"Green (Oxygen)","offer_id":44164210393162,"sku":"T2-O2","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":44164210425930,"sku":"T2-BL","price":110.0,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":44164210458698,"sku":"T2-P","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/5598\/6506\/files\/T2.jpg?v=1789636244"},{"product_id":"t3-second-stage-octopus-regulator","title":"T3 Balanced Adjustable Second Stage","description":"\u003cp\u003eThe T3 brings metal-valve breathing performance to the ST3 technical regulator sets. 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The balanced SUS 316 stainless steel valve core is paired with a heat exchanger that improves cold-water performance, and a spring re-adjustment system that keeps the breathe in tune between services. Nitrox-compatible and adjustable down to a light 1.2–1.5 in H₂O cracking effort, the T4 partners the balanced diaphragm first stage in the ST4 sets — and looks the part in black, silver or rainbow.\u003c\/p\u003e","brand":"HOTDIVE","offers":[{"title":"Black","offer_id":44164210557002,"sku":"T4-B","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Rainbow","offer_id":44164210589770,"sku":"T4-C","price":239.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":44164210622538,"sku":"T4-S","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/5598\/6506\/files\/T4.jpg?v=1789636682"},{"product_id":"s1-piston-first-stage-regulator","title":"S1 Piston First Stage","description":"\u003cp\u003eThe S1 is the workhorse piston first stage of the HOTDIVE scuba diving regulator range. Its classic downstream piston design uses the fewest moving parts of any first-stage layout — less to wear, less to service, and stable performance dive after dive. That simplicity is exactly why piston first stages remain the first choice of dive schools and rental fleets worldwide. Machined from corrosion-resistant 304 stainless steel with stainless steel springs, the S1 shrugs off hard, high-frequency use in warm and temperate waters.\u003c\/p\u003e","brand":"HOTDIVE","offers":[{"title":"DIN","offer_id":44164210720842,"sku":"S1-D","price":149.0,"currency_code":"USD","in_stock":true},{"title":"Yoke","offer_id":44164210753610,"sku":"S1-Y","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/5598\/6506\/files\/S1-D.jpg?v=1789637800"},{"product_id":"s2-evo-balanced-piston-first-stage-regulator","title":"S2 EVO Balanced Piston First Stage","description":"\u003cp\u003eThe S2 EVO is a balanced piston first stage machined from marine-grade 316 stainless steel — noticeably lighter and more compact than traditional chrome-plated brass first stages, and far more resistant to corrosion. The balanced piston delivers constant, effortless airflow unaffected by depth or tank pressure, breath after breath. 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A swivel turret puts five LP ports exactly where clean hose routing wants them, whether you are rigging a single-tank recreational setup, sidemount or doubles.\u003c\/p\u003e","brand":"HOTDIVE","offers":[{"title":"DIN \/ Matte Silver","offer_id":44164210917450,"sku":"S3-DM","price":310.0,"currency_code":"USD","in_stock":true},{"title":"DIN \/ Black","offer_id":44164210982986,"sku":"S3-DB","price":369.0,"currency_code":"USD","in_stock":true},{"title":"DIN \/ Rainbow","offer_id":44164210950218,"sku":"S3-DC","price":369.0,"currency_code":"USD","in_stock":true},{"title":"Yoke \/ Matte Silver","offer_id":44164211015754,"sku":"S3-YM","price":310.0,"currency_code":"USD","in_stock":true},{"title":"Yoke \/ Black","offer_id":44164211081290,"sku":"S3-YB","price":369.0,"currency_code":"USD","in_stock":true},{"title":"Yoke \/ Rainbow","offer_id":44164211048522,"sku":"S3-YC","price":369.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/5598\/6506\/files\/S3-D.jpg?v=1789638063"},{"product_id":"s3-ac-arctic-cold-water-first-stage-regulator","title":"S3 AC Arctic Balanced Diaphragm First Stage","description":"\u003cp\u003eThe S3 AC is the Arctic edition of the S3 balanced diaphragm first stage, purpose-built for ice diving and the coldest water. 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The second-stage cover carries a bold DECO 21 or DECO 6 marking — the maximum operating depth of the gas it serves — so every deco gas switch gets visual confirmation at a glance, backed by gas-color-coded hoses as a second layer against breathing the wrong mix. At 1075 g complete, it keeps stage bottles light.\u003c\/p\u003e","brand":"HOTDIVE","offers":[{"title":"DECO-21 (Green\/Yellow) \/ DIN","offer_id":44164213243978,"sku":"T2-O2GY-D","price":480.0,"currency_code":"USD","in_stock":true},{"title":"DECO-6 (Green\/Green) \/ DIN","offer_id":44164213276746,"sku":"T2-O2GG-D","price":480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/5598\/6506\/files\/DECO21.jpg?v=1789645000"},{"product_id":"st3-technical-diving-regulator-set","title":"ST3 Technical Dive Regulator Set","description":"\u003cp\u003eThe ST3 pairs the S3 balanced diaphragm first stage with the T3 balanced adjustable second stage for divers who ask more of their equipment. 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