{"product_id":"scubapro-mk17-evo2-c370","title":"Scubapro MK17 EVO2\/C370 Regulator Set - REG455 YOKE","description":"\u003ch2\u003e\u003cspan\u003eScubapro MK17 EVO2\/C370 Regulator Set - REG455 YOKE\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eWith the MK17 EVO 2\/C370 you have a compact and lightweight regulator system ready to explore dive locales the world over. The new MK17 EVO 2 is a sealed diaphragm first stage with a dry chamber based on a twin spring layout and two HP ports at 15-degree angle to make hose routing easier. The compact C370 offers convenient user controls including a diver-adjustable inhalation effort knob, a coaxial dive\/pre-dive lever and a large, easy-to-activate purge button.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eSealed balanced diaphragm design makes for the ultimate compact first stage for cold water or contaminated diving conditions.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAir-balanced diaphragm delivers consistent and effortless airflow, regardless of depth, tank pressure, or breathing rate.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDry chamber is completely environmentally sealed with a dual diaphragm system that keeps out contaminated water. The rib is designed to enhance heat exchange, making the first stage cold water-proof.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTwo opposing high-pressure ports positioned on a 15º angle allow the first stage to be positioned either up or down, plus provide an optimal hose\/transmitter layout.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eS600 second stage's air balanced valve smoothes out the inhalation effort at varying depths and supply pressures.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRugged reinforced technopolymer second stage case and front cover with stainless steel frame looks good plus is extremely durable.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMetal valve housing (barrel) is able to withstand years of aggressive diving.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUser controls include a diver-adjustable inhalation effort knob and Venturi-Initiated Vacuum Assist (VIVA) dive\/pre-dive switch.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuper-flow hose features an oversized bore (larger inside hose diameter) that allows more air to flow on each inhalation.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUltra-comfortable orthodontic mouthpiece is easy to grip yet doesn't inhibit airflow.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"93swtz\" data-start=\"476\" data-end=\"705\"\u003e\n\u003cstrong data-start=\"478\" data-end=\"523\"\u003eCold-water ready \u0026amp; environmentally sealed\u003c\/strong\u003e – MK17 EVO2 uses a dry, sealed diaphragm design that keeps contaminants out and improves freeze resistance in cold or silty water conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"q9oodo\" data-start=\"706\" data-end=\"883\"\u003e\n\u003cstrong data-start=\"708\" data-end=\"736\"\u003eStable, balanced airflow\u003c\/strong\u003e – Delivers consistent gas flow regardless of depth or tank pressure for predictable breathing performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bj4bwe\" data-start=\"884\" data-end=\"1083\"\u003e\n\u003cstrong data-start=\"886\" data-end=\"920\"\u003eCompact, travel-friendly build\u003c\/strong\u003e – New forged-body design makes it smaller and lighter than previous MK17 versions, ideal for divers who travel frequently. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bvsjqb\" data-start=\"1084\" data-end=\"1261\"\u003e\n\u003cstrong data-start=\"1086\" data-end=\"1107\"\u003eEasy hose routing\u003c\/strong\u003e – Angled HP ports and multiple LP ports allow clean, flexible configuration for gauges, octo, and inflator setup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"l0htz\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1296\"\u003eSimple, durable second stage\u003c\/strong\u003e – The C370 offers adjustable inhalation effort and a dive\/pre-dive switch while keeping a rugged, lightweight construction. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"103kvez\" data-start=\"1461\" data-end=\"1637\"\u003e\n\u003cstrong data-start=\"1463\" data-end=\"1503\"\u003eGood breathing comfort for its class\u003c\/strong\u003e – Air-balanced second stage design reduces effort and improves comfort across varying depths. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1m66cil\" data-start=\"1638\" data-end=\"1830\"\u003e\n\u003cstrong data-start=\"1640\" data-end=\"1681\"\u003eGreat “do-it-all” recreational system\u003c\/strong\u003e – Commonly chosen as a reliable all-rounder for travel, quarry, and recreational diving in mixed conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:010f4f80-e1c1-461f-ba44-5b8fe12e1cff-25\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:010f4f80-e1c1-461f-ba44-5b8fe12e1cff-25\" data-turn-id-container=\"request-WEB:010f4f80-e1c1-461f-ba44-5b8fe12e1cff-25\" data-testid=\"conversation-turn-52\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"369d14af-15fc-4c2e-9d3c-23d190701a4e\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"371\"\u003e\u003cstrong data-start=\"0\" data-end=\"73\"\u003eQ: What is the Scubapro MK17 EVO2 \/ C370 Regulator Set (REG455 YOKE)?\u003c\/strong\u003e\u003cbr data-start=\"73\" data-end=\"76\"\u003eA: It is a compact, all-round scuba regulator system pairing the environmentally sealed MK17 EVO2 balanced diaphragm first stage with the lightweight C370 second stage, designed for reliable breathing performance in warm, temperate, and cold-water diving. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"373\" data-end=\"691\"\u003e\u003cstrong data-start=\"373\" data-end=\"425\"\u003eQ: What makes the MK17 EVO2 first stage special?\u003c\/strong\u003e\u003cbr data-start=\"425\" data-end=\"428\"\u003eA: It is a sealed balanced diaphragm first stage with a dry chamber that prevents water and contaminants from entering, making it highly reliable in cold or murky conditions while delivering consistent airflow at any depth. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"693\" data-end=\"991\"\u003e\u003cstrong data-start=\"693\" data-end=\"747\"\u003eQ: What are the benefits of the C370 second stage?\u003c\/strong\u003e\u003cbr data-start=\"747\" data-end=\"750\"\u003eA: The C370 is a compact, air-balanced second stage with diver-adjustable inhalation effort and a dive\/pre-dive Venturi switch, offering smooth, easy breathing and user control in a lightweight design. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"993\" data-end=\"1249\"\u003e\u003cstrong data-start=\"993\" data-end=\"1049\"\u003eQ: Is this regulator suitable for cold-water diving?\u003c\/strong\u003e\u003cbr data-start=\"1049\" data-end=\"1052\"\u003eA: Yes. The MK17 EVO2 is environmentally sealed and designed for cold-water and contaminated environments, with enhanced heat exchange for freeze resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1251\" data-end=\"1488\"\u003e\u003cstrong data-start=\"1251\" data-end=\"1296\"\u003eQ: What are the key performance features?\u003c\/strong\u003e\u003cbr data-start=\"1296\" data-end=\"1299\"\u003eA: It includes balanced airflow for consistent breathing, angled HP ports for cleaner hose routing, and multiple LP ports for flexible setup options. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1490\" data-end=\"1777\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1490\" data-end=\"1535\"\u003eQ: Who is this regulator best suited for?\u003c\/strong\u003e\u003cbr data-start=\"1535\" data-end=\"1538\"\u003eA: It is ideal for recreational and advanced divers who want a durable, travel-friendly, low-maintenance regulator that performs reliably across a wide range of diving conditions, including cold water. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"vl1b0c\" data-start=\"0\" data-end=\"192\"\u003eRinse thoroughly with fresh water after every dive, keeping the \u003cstrong data-start=\"66\" data-end=\"99\"\u003eyoke dust cap securely fitted\u003c\/strong\u003e to prevent water entering the MK17 EVO2 first stage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"l0caaz\" data-start=\"193\" data-end=\"382\"\u003eLightly operate the purge button and Venturi (VIVA) lever on the C370 during rinsing to clear salt and sand from moving parts and prevent sticking. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2bof6p\" data-start=\"383\" data-end=\"521\"\u003eDo not allow water into the first stage inlet; always rinse only when properly sealed\/protected. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"v2b9b\" data-start=\"522\" data-end=\"632\"\u003eAllow the regulator to air dry completely in a shaded, ventilated area away from heat and direct sunlight.\u003c\/li\u003e\n\u003cli data-section-id=\"qmourq\" data-start=\"633\" data-end=\"720\"\u003eStore hoses loosely coiled to avoid kinks and stress on fittings and swivel points.\u003c\/li\u003e\n\u003cli data-section-id=\"1qt9ew4\" data-start=\"721\" data-end=\"862\"\u003eInspect hoses, mouthpiece, yoke O-ring, filter area, and second stage controls regularly for wear, corrosion, or cracks before each dive.\u003c\/li\u003e\n\u003cli data-section-id=\"1odtccq\" data-start=\"863\" data-end=\"971\"\u003eAvoid sand, oils, solvents, chlorine, and harsh chemicals that can damage seals and internal components.\u003c\/li\u003e\n\u003cli data-section-id=\"1w0zmvr\" data-start=\"972\" data-end=\"1104\"\u003eHave the MK17 EVO2 and C370 professionally serviced at least annually or per manufacturer schedule (or ~100 dives in heavy use).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Scubapro","offers":[{"title":"YOKE","offer_id":45807396257983,"sku":"REG455 YOKE","price":569.99,"currency_code":"USD","in_stock":true},{"title":"DIN","offer_id":45807396290751,"sku":"REG455 DIN","price":569.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/SP_12178000_MK17-EVO2_C370_INT.jpg?v=1783015473","url":"https:\/\/www.mybackyardzone.com\/products\/scubapro-mk17-evo2-c370","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}