{"product_id":"reg259","title":"ScubaPro MK25 EVO 1st Stage Regulator - REG259 DIN","description":"\u003ch2\u003eScubaPro MK25 EVO 1st Stage Regulator - REG259 DIN\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe MK25 EVO is a balanced piston first stage, Scubapro's absolute top performer. It is a superior regulator thanks to its ultra-stable intermediate pressure (IP) resulting in an extremely punctual and constantly high delivery of air. This means instant airflow at any tank pressure and water temperature for a real carefree dive.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eSuperior Cold-Water Performance Equal to Scubapro's MK17 First Stage\u003c\/li\u003e\n\u003cli\u003eEVO: Means Evolution, Revolutionizing Existing Technologies to Higher Performance\u003c\/li\u003e\n\u003cli\u003eHigh Performance, Reliable Scubapro Technology and Value\u003c\/li\u003e\n\u003cli\u003eSuperior Ultra-High Airflow System, Maximum Performance in All-Temperatures \u0026amp; Conditions\u003c\/li\u003e\n\u003cli\u003eUltra-Stable Intermediate Pressure\u003c\/li\u003e\n\u003cli\u003eHigh Performance in Warm and Cold Water to 3336 psi (230 bars)\u003c\/li\u003e\n\u003cli\u003eMeets New EN250-2014 Requirements\u003c\/li\u003e\n\u003cli\u003eCE Approved for 3360 psi (230 bars) in Cold Water Conditions\u003c\/li\u003e\n\u003cli\u003eIncreased Cold Water Efficiency by 30% Over Previous MK25 Regulator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"kwgi84\" data-start=\"27\" data-end=\"287\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"66\"\u003eFlagship first-stage performance:\u003c\/strong\u003e The \u003cstrong data-start=\"71\" data-end=\"108\" data-is-only-node=\"\"\u003eScubaPro MK25 EVO DIN First Stage\u003c\/strong\u003e uses a \u003cstrong data-start=\"116\" data-end=\"142\"\u003ebalanced piston design\u003c\/strong\u003e to deliver exceptionally high airflow with ultra-stable intermediate pressure, even at low tank pressures. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1683ah8\" data-start=\"288\" data-end=\"560\"\u003e\n\u003cstrong data-start=\"290\" data-end=\"329\"\u003eOutstanding cold-water reliability:\u003c\/strong\u003e Equipped with the \u003cstrong data-start=\"348\" data-end=\"393\" data-is-only-node=\"\"\u003eXTIS (Extended Thermal Insulating System)\u003c\/strong\u003e, it offers significantly improved freeze resistance, making it an excellent choice for cold-water and demanding dive conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tju3e1\" data-start=\"561\" data-end=\"809\"\u003e\n\u003cstrong data-start=\"563\" data-end=\"589\"\u003eSuperior hose routing:\u003c\/strong\u003e A \u003cstrong data-start=\"592\" data-end=\"612\" data-is-only-node=\"\"\u003eswiveling turret\u003c\/strong\u003e, \u003cstrong data-start=\"614\" data-end=\"651\"\u003efive high-flow low-pressure ports\u003c\/strong\u003e, and \u003cstrong data-start=\"657\" data-end=\"684\"\u003etwo high-pressure ports\u003c\/strong\u003e provide maximum flexibility for recreational, technical, and sidemount configurations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"utazir\" data-start=\"810\" data-end=\"1029\"\u003e\n\u003cstrong data-start=\"812\" data-end=\"845\"\u003eSmooth, effortless breathing:\u003c\/strong\u003e The balanced piston mechanism ensures consistent airflow regardless of depth or cylinder pressure, reducing breathing effort throughout the dive. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"pi05ze\" data-start=\"1030\" data-end=\"1242\"\u003e\n\u003cstrong data-start=\"1032\" data-end=\"1067\"\u003eBuilt for long-term durability:\u003c\/strong\u003e Precision-machined chrome-plated brass construction and corrosion-resistant components are engineered for years of reliable performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gekhe1\" data-start=\"1243\" data-end=\"1491\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1245\" data-end=\"1279\"\u003eProfessional-grade foundation:\u003c\/strong\u003e Whether paired with recreational or technical second stages, the MK25 EVO remains one of ScubaPro's highest-performing first stages, trusted by experienced divers worldwide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"32\" data-end=\"230\"\u003e\u003cstrong data-start=\"32\" data-end=\"89\"\u003eQ: What type of first stage is the Scubapro MK25 EVO?\u003c\/strong\u003e\u003cbr data-start=\"89\" data-end=\"92\"\u003eA: It is a \u003cstrong data-start=\"103\" data-end=\"134\"\u003ebalanced piston first stage\u003c\/strong\u003e, delivering high airflow and consistent breathing performance at all depths and tank pressures.\u003c\/p\u003e\n\u003cp data-start=\"232\" data-end=\"427\"\u003e\u003cstrong data-start=\"232\" data-end=\"286\"\u003eQ: Is the MK25 EVO suitable for cold-water diving?\u003c\/strong\u003e\u003cbr data-start=\"286\" data-end=\"289\"\u003eA: Yes. It features \u003cstrong data-start=\"309\" data-end=\"354\"\u003eExtended Thermal Insulating System (XTIS)\u003c\/strong\u003e technology, providing excellent freeze resistance for cold-water diving.\u003c\/p\u003e\n\u003cp data-start=\"429\" data-end=\"641\"\u003e\u003cstrong data-start=\"429\" data-end=\"471\"\u003eQ: What does the DIN connection offer?\u003c\/strong\u003e\u003cbr data-start=\"471\" data-end=\"474\"\u003eA: The \u003cstrong data-start=\"481\" data-end=\"496\"\u003eDIN fitting\u003c\/strong\u003e provides a secure, high-pressure connection to compatible scuba cylinders, making it ideal for recreational, technical, and professional diving.\u003c\/p\u003e\n\u003cp data-start=\"643\" data-end=\"842\"\u003e\u003cstrong data-start=\"643\" data-end=\"703\"\u003eQ: What type of diving is this first stage designed for?\u003c\/strong\u003e\u003cbr data-start=\"703\" data-end=\"706\"\u003eA: It is suitable for \u003cstrong data-start=\"728\" data-end=\"784\"\u003erecreational, technical, deep, and cold-water diving\u003c\/strong\u003e, delivering reliable performance in demanding conditions.\u003c\/p\u003e\n\u003cp data-start=\"844\" data-end=\"1044\"\u003e\u003cstrong data-start=\"844\" data-end=\"916\"\u003eQ: Is the MK25 EVO compatible with different Scubapro second stages?\u003c\/strong\u003e\u003cbr data-start=\"916\" data-end=\"919\"\u003eA: Yes. It is compatible with \u003cstrong data-start=\"949\" data-end=\"991\"\u003ea wide range of Scubapro second stages\u003c\/strong\u003e, allowing divers to customize their regulator setup.\u003c\/p\u003e\n\u003cp data-start=\"1046\" data-end=\"1244\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1046\" data-end=\"1100\"\u003eQ: Does the first stage require regular servicing?\u003c\/strong\u003e\u003cbr data-start=\"1100\" data-end=\"1103\"\u003eA: Yes. Regular inspection and servicing by an \u003cstrong data-start=\"1150\" data-end=\"1184\"\u003eauthorized Scubapro technician\u003c\/strong\u003e are recommended to maintain optimal safety and performance.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a45414b-949c-83ee-8c89-696580635844-33\" 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-6a45414b-949c-83ee-8c89-696580635844-33\" data-turn-id-container=\"request-6a45414b-949c-83ee-8c89-696580635844-33\" data-testid=\"conversation-turn-130\" 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=\"068a9e28-470b-4ec6-9819-4cbebe6ded96\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" 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=\"22\" data-end=\"1290\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"x9dvkg\" data-start=\"22\" data-end=\"270\"\u003eRinse the first stage thoroughly with fresh water after every dive while it is attached to a pressurized cylinder whenever possible. If disconnected, ensure the DIN dust cap is securely fitted before rinsing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"k6v2r3\" data-start=\"271\" data-end=\"438\"\u003eAllow the regulator to air dry completely in a cool, shaded area before storage to help prevent corrosion and moisture buildup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18zepnx\" data-start=\"439\" data-end=\"622\"\u003eInspect the DIN connection, O-rings, filter, hose ports, and exterior fittings before each dive for signs of wear, corrosion, leaks, or damage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ogik5n\" data-start=\"623\" data-end=\"826\"\u003eKeep the DIN dust cap clean and securely installed whenever the regulator is not connected to a cylinder to prevent water and debris from entering the first stage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ccjxiz\" data-start=\"827\" data-end=\"947\"\u003eAvoid impacts, dropping the regulator, or exposing it to sand and contaminants that could affect internal performance.\u003c\/li\u003e\n\u003cli data-section-id=\"i3u4b3\" data-start=\"948\" data-end=\"1075\"\u003eStore the regulator in a padded gear bag with hoses loosely coiled, away from direct sunlight, excessive heat, and chemicals.\u003c\/li\u003e\n\u003cli data-section-id=\"25ar3o\" data-start=\"1076\" data-end=\"1290\" data-is-last-node=\"\"\u003eHave the MK25 EVO professionally inspected and serviced at the manufacturer's recommended intervals by an authorized SCUBAPRO technician to ensure safe, reliable performance. \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","brand":"Scubapro","offers":[{"title":"DIN","offer_id":45807214100671,"sku":"REG259 DIN","price":389.99,"currency_code":"USD","in_stock":true},{"title":"Yoke","offer_id":45807214133439,"sku":"REG259 YOKE","price":389.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/MK25EVO-INT-2__1736.webp?v=1783012889","url":"https:\/\/www.mybackyardzone.com\/products\/reg259","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}