{"product_id":"scubapro-mk11-evo-1st-stage-regulator","title":"ScubaPro MK11 EVO Regulator - REG471 DIN","description":"\u003ch2\u003e\u003cspan\u003eScubaPro MK11 EVO Regulator - REG471 DIN\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe new balanced diaphragm MK11 EVO features an innovative double spring layout, forged brass body with thermal fins and protective plastic bumpers to ward off scratches. \u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eCompact, air-balanced diaphragm design, MK11 EVO delivers top performance and reliability\u003c\/li\u003e\n\u003cli\u003eForged brass body comes with metal fins to improve thermal exchange plus plastic bumpers to prevent scratching\u003c\/li\u003e\n\u003cli\u003eTwo high pressure ports are set on a 15-degree angle for convenient hose routing.\u003c\/li\u003e\n\u003cli\u003eFour high-flow low pressure ports increase airflow while maximizing hose routing options.\u003c\/li\u003e\n\u003cli\u003eInnovative double spring layout increases performance while contributing to overall compactness\u003c\/li\u003e\n\u003cli\u003eC370 second stage's air-balanced valve smooths out the inhalation effort at varying depths and supply pressures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"tabs-content\"\u003e\n\u003cdiv class=\"tabs-content-item\"\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1lqyld9\" data-start=\"461\" data-end=\"646\"\u003e\n\u003cstrong data-start=\"463\" data-end=\"492\"\u003eBalanced diaphragm design\u003c\/strong\u003e – Provides consistent airflow regardless of depth or tank pressure for smooth, predictable breathing performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1aga8bx\" data-start=\"647\" data-end=\"828\"\u003e\n\u003cstrong data-start=\"649\" data-end=\"678\"\u003eCompact \u0026amp; travel-friendly\u003c\/strong\u003e – Lightweight chrome-plated brass body makes it easy to pack while staying rugged enough for frequent diving. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"96ls7r\" data-start=\"829\" data-end=\"1031\"\u003e\n\u003cstrong data-start=\"831\" data-end=\"853\"\u003eCold-water capable\u003c\/strong\u003e – Thermal-enhanced design helps improve performance in cooler conditions and reduces risk of freezing compared to basic unsealed designs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7iwvzq\" data-start=\"1032\" data-end=\"1202\"\u003e\n\u003cstrong data-start=\"1034\" data-end=\"1059\"\u003eFlexible hose routing\u003c\/strong\u003e – 4 LP ports + 2 HP ports allow clean, practical setup for recreational configurations or travel kits. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mac232\" data-start=\"1203\" data-end=\"1366\"\u003e\n\u003cstrong data-start=\"1205\" data-end=\"1235\"\u003eSimple, reliable mechanics\u003c\/strong\u003e – Fewer complex moving parts make it easier and more cost-effective to maintain over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"r1vmcv\" data-start=\"1367\" data-end=\"1541\"\u003e\n\u003cstrong data-start=\"1369\" data-end=\"1391\"\u003eVersatile use case\u003c\/strong\u003e – Works well for warm, temperate, and moderate cold-water diving, making it a strong all-rounder first stage.\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-23\" 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-23\" data-turn-id-container=\"request-WEB:010f4f80-e1c1-461f-ba44-5b8fe12e1cff-23\" data-testid=\"conversation-turn-48\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-3 [--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=\"4ddaebd9-91b4-4c8f-b2e5-c47b3b037ae7\" 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=\"299\"\u003e\u003cstrong data-start=\"0\" data-end=\"72\"\u003eQ: What is the Scubapro MK11 EVO DIN First Stage Regulator (REG471)?\u003c\/strong\u003e\u003cbr data-start=\"72\" data-end=\"75\"\u003eA: It is a compact, balanced diaphragm first stage regulator designed for reliable, consistent airflow and strong durability, making it ideal for recreational and travel diving setups. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"301\" data-end=\"594\"\u003e\u003cstrong data-start=\"301\" data-end=\"347\"\u003eQ: What are its main performance features?\u003c\/strong\u003e\u003cbr data-start=\"347\" data-end=\"350\"\u003eA: The MK11 EVO uses a balanced diaphragm design that delivers smooth airflow at all depths, with a compact forged brass body and thermal fins for improved heat exchange and better cold-water performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"596\" data-end=\"830\"\u003e\u003cstrong data-start=\"596\" data-end=\"645\"\u003eQ: How many hose connections does it support?\u003c\/strong\u003e\u003cbr data-start=\"645\" data-end=\"648\"\u003eA: It includes \u003cstrong data-start=\"663\" data-end=\"713\"\u003e2 high-pressure ports and 4 low-pressure ports\u003c\/strong\u003e, giving flexible hose routing for standard single-tank scuba configurations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"832\" data-end=\"1090\"\u003e\u003cstrong data-start=\"832\" data-end=\"876\"\u003eQ: Is it suitable for cold-water diving?\u003c\/strong\u003e\u003cbr data-start=\"876\" data-end=\"879\"\u003eA: Yes. It is cold-water rated and designed to maintain stable performance in warm, temperate, and cold conditions thanks to its diaphragm design and thermal improvements. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1092\" data-end=\"1401\"\u003e\u003cstrong data-start=\"1092\" data-end=\"1161\"\u003eQ: What makes it different from higher-end Scubapro first stages?\u003c\/strong\u003e\u003cbr data-start=\"1161\" data-end=\"1164\"\u003eA: It focuses on simplicity, reliability, and compact size rather than advanced features like environmental sealing or swivel turret designs found in higher-end models such as MK17 EVO or MK25 EVO. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1403\" data-end=\"1663\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1403\" data-end=\"1441\"\u003eQ: Who is this regulator best for?\u003c\/strong\u003e\u003cbr data-start=\"1441\" data-end=\"1444\"\u003eA: It is ideal for beginner to intermediate divers, travel divers, and dive schools who want a durable, low-maintenance, and dependable first stage for everyday recreational diving. \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\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"67vnkg\" data-start=\"0\" data-end=\"191\"\u003eRinse thoroughly with fresh water after every dive, keeping the \u003cstrong data-start=\"66\" data-end=\"99\"\u003eDIN dust cap tightly in place\u003c\/strong\u003e to prevent water entering the MK11 EVO first stage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"c25euo\" data-start=\"192\" data-end=\"385\"\u003eLightly operate purge and adjustment controls on connected second stages during rinsing to remove 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=\"6i7474\" data-start=\"386\" data-end=\"556\"\u003eDo not allow water into the DIN inlet; always rinse only with proper sealing\/protection in place to protect internal components. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bvuksx\" data-start=\"557\" data-end=\"671\"\u003eAir dry completely in a shaded, well-ventilated area before storage to prevent corrosion and moisture buildup.\u003c\/li\u003e\n\u003cli data-section-id=\"1e12hex\" data-start=\"672\" data-end=\"771\"\u003eStore hoses loosely coiled in a cool, dry place away from heat, UV exposure, and ozone sources.\u003c\/li\u003e\n\u003cli data-section-id=\"1vgfgpd\" data-start=\"772\" data-end=\"903\"\u003eInspect DIN O-rings, filter area, hoses, mouthpiece, and fittings regularly for wear, salt buildup, or cracks before each dive.\u003c\/li\u003e\n\u003cli data-section-id=\"jee281\" data-start=\"904\" data-end=\"1010\"\u003eAvoid sand, oils, solvents, chlorine, and harsh chemicals that can damage seals and valve performance.\u003c\/li\u003e\n\u003cli data-section-id=\"1a1hgnw\" data-start=\"1011\" data-end=\"1170\" data-is-last-node=\"\"\u003eHave the MK11 EVO professionally serviced at least annually or per manufacturer schedule (or ~100 dives in heavy use) to maintain safe breathing performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Scubapro","offers":[{"title":"DIN","offer_id":45807396585663,"sku":"REG471 DIN","price":299.99,"currency_code":"USD","in_stock":true},{"title":"YOKE","offer_id":45807396618431,"sku":"REG471 YOKE","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/sp_10011300_mk11-evo_din-c-witb.png?v=1783016613","url":"https:\/\/www.mybackyardzone.com\/products\/scubapro-mk11-evo-1st-stage-regulator","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}