{"product_id":"scubapro-mk11-s270-scuba-diving-regulator-system-1","title":"Scubapro MK11\/S270 Regulator System - REG474 YOKE","description":"\u003ch2\u003e\u003cspan\u003eScubapro MK11\/S270 Regulator System - REG474 YOKE\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eFor divers seeking reliable performance in an uncomplicated air delivery system, the MK11 EVO \/ S270 is easy to use, compact and durable. The balanced diaphragm MK11 EVO delivers effortless airflow unaffected by depth, tank pressure or breathing rate. The compact S270 provides smooth breathing performance in an anti-scratch design that’s able to handle years of hard use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\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\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eForged brass body comes with metal fins to improve thermal exchange plus plastic bumpers to prevent scratching\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eInnovative double spring layout increases performance while contributing to overall compactness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eTwo high pressure ports are set on a 15-degree angle for convenient hose routing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eFour high-flow low pressure ports increase airflow while maximizing hose routing options.\u003c\/li\u003e\n\u003cli\u003eCE Certified adheres to the latest EN250A European Standards for all diving conditions including extreme cold water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:54fe5ba5-ef4e-44b2-857b-34eb5f687dbb-7\" 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:54fe5ba5-ef4e-44b2-857b-34eb5f687dbb-7\" data-turn-id-container=\"request-WEB:54fe5ba5-ef4e-44b2-857b-34eb5f687dbb-7\" data-testid=\"conversation-turn-16\" 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=\"08e0a2e7-a122-40a1-88ce-962fcb30527b\" 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\u003cul data-start=\"28\" data-end=\"1126\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1ukozt5\" data-start=\"28\" data-end=\"193\"\u003e\n\u003cstrong data-start=\"30\" data-end=\"74\"\u003eReliable mid-to-premium regulator system\u003c\/strong\u003e designed for divers who want strong performance, simplicity, and long-term durability in all common dive conditions.\u003c\/li\u003e\n\u003cli data-section-id=\"525wrr\" data-start=\"194\" data-end=\"401\"\u003e\n\u003cstrong data-start=\"196\" data-end=\"235\"\u003eMK11 balanced diaphragm first stage\u003c\/strong\u003e delivers consistent airflow regardless of depth or tank pressure, with solid cold-water resistance and low maintenance needs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"djyqn6\" data-start=\"402\" data-end=\"594\"\u003e\n\u003cstrong data-start=\"404\" data-end=\"425\"\u003eS270 second stage\u003c\/strong\u003e provides smooth, effortless breathing with an air-balanced valve that reduces inhalation effort and improves comfort underwater. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2p9mx6\" data-start=\"595\" data-end=\"756\"\u003e\n\u003cstrong data-start=\"597\" data-end=\"635\"\u003eCompact and travel-friendly design\u003c\/strong\u003e makes it ideal for recreational divers, dive schools, and holiday diving setups. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mxbyy0\" data-start=\"757\" data-end=\"938\"\u003e\n\u003cstrong data-start=\"759\" data-end=\"808\"\u003eDurable reinforced technopolymer construction\u003c\/strong\u003e keeps the second stage lightweight while resisting impact, scratches, and long-term wear. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"upknq1\" data-start=\"939\" data-end=\"1126\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"941\" data-end=\"981\"\u003eSimple, dependable performance focus\u003c\/strong\u003e—built for divers who want ScubaPro quality without the complexity or weight of high-end technical systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\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\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a46a1f1-8334-83e8-805a-22ca56842fac-3\" 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-6a46a1f1-8334-83e8-805a-22ca56842fac-3\" data-turn-id-container=\"request-6a46a1f1-8334-83e8-805a-22ca56842fac-3\" data-testid=\"conversation-turn-16\" 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=\"998f5d35-c4e8-4411-9f6a-97e2f1c3df72\" 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=\"321\"\u003e\u003cstrong data-start=\"0\" data-end=\"69\"\u003eQ: What is the ScubaPro MK11\/S270 Regulator System (REG474 YOKE)?\u003c\/strong\u003e\u003cbr data-start=\"69\" data-end=\"72\"\u003eA: It is a compact, lightweight scuba regulator system combining the MK11 balanced diaphragm first stage with the S270 second stage, designed for reliable, easy breathing in all recreational diving conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"323\" data-end=\"579\"\u003e\u003cstrong data-start=\"323\" data-end=\"378\"\u003eQ: Is the MK11\/S270 suitable for cold water diving?\u003c\/strong\u003e\u003cbr data-start=\"378\" data-end=\"381\"\u003eA: Yes. It is EN250A certified and built for warm, temperate, and cold-water use with sealed internal components to improve freeze resistance and reliability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"581\" data-end=\"825\"\u003e\u003cstrong data-start=\"581\" data-end=\"629\"\u003eQ: What breathing performance does it offer?\u003c\/strong\u003e\u003cbr data-start=\"629\" data-end=\"632\"\u003eA: The air-balanced system delivers smooth, consistent airflow regardless of depth, tank pressure, or breathing rate for effortless breathing underwater. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"827\" data-end=\"1085\"\u003e\u003cstrong data-start=\"827\" data-end=\"879\"\u003eQ: What are the main features of this regulator?\u003c\/strong\u003e\u003cbr data-start=\"879\" data-end=\"882\"\u003eA: It includes a balanced diaphragm first stage, S270 lightweight second stage, 2 HP ports, 4 LP ports, Venturi (pre-dive\/dive) control, and flexible hose routing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1087\" data-end=\"1321\"\u003e\u003cstrong data-start=\"1087\" data-end=\"1127\"\u003eQ: Is it comfortable for long dives?\u003c\/strong\u003e\u003cbr data-start=\"1127\" data-end=\"1130\"\u003eA: Yes. The lightweight second stage reduces jaw fatigue and the compact exhaust tee minimizes breathing effort for improved comfort on extended dives. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1323\" data-end=\"1566\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1323\" data-end=\"1368\"\u003eQ: Who is this regulator best suited for?\u003c\/strong\u003e\u003cbr data-start=\"1368\" data-end=\"1371\"\u003eA: It is ideal for recreational divers and travel divers who want a simple, durable, and high-performance regulator system with dependable all-condition use. \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=\"jrgite\" data-start=\"22\" data-end=\"216\"\u003eRinse the BCD thoroughly with fresh water after every dive, including the bladder, inflator system, dump valves, harness, and weight pockets, then allow all components to air dry completely.\u003c\/li\u003e\n\u003cli data-section-id=\"jntxyw\" data-start=\"217\" data-end=\"352\"\u003ePartially inflate the bladder while rinsing to flush out salt, sand, and debris from the interior, then fully drain before storage.\u003c\/li\u003e\n\u003cli data-section-id=\"kq2xg4\" data-start=\"353\" data-end=\"505\"\u003eInspect the MK11 EVO system, S270 second stage, hoses, buckles, inflator, and attachment points before each dive for wear, cracks, leaks, or damage.\u003c\/li\u003e\n\u003cli data-section-id=\"1kpeab7\" data-start=\"506\" data-end=\"650\"\u003eTest the Balanced Power Inflator and all dump valves before every dive to ensure smooth inflation, deflation, and reliable buoyancy control.\u003c\/li\u003e\n\u003cli data-section-id=\"146v8tb\" data-start=\"651\" data-end=\"797\"\u003eCheck the tank strap, integrated weight system, and quick-release buckles to ensure everything is securely fastened before entering the water.\u003c\/li\u003e\n\u003cli data-section-id=\"tb0lwp\" data-start=\"798\" data-end=\"946\"\u003eStore the BCD in a cool, dry place away from direct sunlight with the bladder slightly inflated to help maintain shape and extend material life.\u003c\/li\u003e\n\u003cli data-section-id=\"9xvv4r\" data-start=\"947\" data-end=\"1120\" data-is-last-node=\"\"\u003eHave the regulator system professionally inspected and serviced at manufacturer-recommended intervals by an authorized SCUBAPRO technician for safe, long-term performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Scubapro","offers":[{"title":"INT","offer_id":45807397208255,"sku":"REG474 YOKE","price":486.99,"currency_code":"USD","in_stock":true},{"title":"DIN","offer_id":45807397241023,"sku":"REG474 DIN","price":486.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/reg383din_1.jpg?v=1783016541","url":"https:\/\/www.mybackyardzone.com\/products\/scubapro-mk11-s270-scuba-diving-regulator-system-1","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}