{"product_id":"pack-ms90u-825-3rd-sensor","title":"MASTER SPAS PACK, MS90U 825 3RD SENSOR - x300739","description":"\u003ch2\u003e\u003cspan\u003eMASTER SPAS PACK, MS90U 825 3RD SENSOR - x300739\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003ePACK, MS90U 825 3RD SENSOR CONTROL PACK FOR MASTER SPAS\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"v60m55\" data-start=\"27\" data-end=\"258\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"64\"\u003eDirect OEM replacement upgrade:\u003c\/strong\u003e The ML900 topside is the official replacement for the discontinued MAS560 control panel, ensuring proper system compatibility and dependable performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1h37khg\" data-start=\"259\" data-end=\"432\"\u003e\n\u003cstrong data-start=\"261\" data-end=\"294\"\u003eModernized control interface:\u003c\/strong\u003e Offers a clearer, more responsive user experience for managing key spa functions like jets, temperature, lighting, and blower settings.\u003c\/li\u003e\n\u003cli data-section-id=\"cz1qx0\" data-start=\"433\" data-end=\"599\"\u003e\n\u003cstrong data-start=\"435\" data-end=\"478\"\u003eImproved reliability over legacy model:\u003c\/strong\u003e Designed to replace aging MAS-series panels that are prone to wear, condensation issues, and button failure over time.\u003c\/li\u003e\n\u003cli data-section-id=\"14xyxga\" data-start=\"600\" data-end=\"769\"\u003e\n\u003cstrong data-start=\"602\" data-end=\"632\"\u003eFull spa function control:\u003c\/strong\u003e Acts as the primary communication interface with the spa’s control system, keeping all core functions running smoothly and accurately.\u003c\/li\u003e\n\u003cli data-section-id=\"ha9mbz\" data-start=\"770\" data-end=\"948\"\u003e\n\u003cstrong data-start=\"772\" data-end=\"807\"\u003eOEM fit and plug compatibility:\u003c\/strong\u003e Engineered for straightforward replacement with compatible Master Spas systems using standard connections for reduced installation hassle.\u003c\/li\u003e\n\u003cli data-section-id=\"yt7968\" data-start=\"949\" data-end=\"1093\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"951\" data-end=\"981\"\u003eEssential repair solution:\u003c\/strong\u003e Ideal for restoring full spa functionality when the original MAS560 panel becomes unresponsive or discontinued.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"354bda0d-a77a-417d-8d9d-01c21c3e2f90\" 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-(--sticky-padding-top)\" dir=\"auto\" data-turn-id=\"354bda0d-a77a-417d-8d9d-01c21c3e2f90\" data-turn-id-container=\"354bda0d-a77a-417d-8d9d-01c21c3e2f90\" data-testid=\"conversation-turn-3\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:3e3fab61-9bea-4fc6-9c3f-3a87be60e773-1\" 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:3e3fab61-9bea-4fc6-9c3f-3a87be60e773-1\" data-turn-id-container=\"request-WEB:3e3fab61-9bea-4fc6-9c3f-3a87be60e773-1\" data-testid=\"conversation-turn-4\" 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=\"2ee104a5-c24d-4244-9bfb-136ee79dba0b\" 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=\"208\"\u003e\u003cstrong data-start=\"0\" data-end=\"69\"\u003eQ: What is the MASTER SPAS ML900 Topside Control Panel (X310801)?\u003c\/strong\u003e\u003cbr data-start=\"69\" data-end=\"72\"\u003eA: It is an OEM replacement spa control panel used to operate jets, temperature, lights, and settings on compatible Master Spas systems.\u003c\/p\u003e\n\u003cp data-start=\"210\" data-end=\"327\"\u003e\u003cstrong data-start=\"210\" data-end=\"238\"\u003eQ: What does it replace?\u003c\/strong\u003e\u003cbr data-start=\"238\" data-end=\"241\"\u003eA: It replaces the older MAS560 control panel (X310840), which is no longer available.\u003c\/p\u003e\n\u003cp data-start=\"329\" data-end=\"441\"\u003e\u003cstrong data-start=\"329\" data-end=\"365\"\u003eQ: Is this an original OEM part?\u003c\/strong\u003e\u003cbr data-start=\"365\" data-end=\"368\"\u003eA: Yes. It is a genuine Master Spas \/ Balboa ML900 topside control panel.\u003c\/p\u003e\n\u003cp data-start=\"443\" data-end=\"613\"\u003e\u003cstrong data-start=\"443\" data-end=\"482\"\u003eQ: What spas is it compatible with?\u003c\/strong\u003e\u003cbr data-start=\"482\" data-end=\"485\"\u003eA: It is designed for select Master Spas models using compatible Balboa EL\/GL control systems—always verify fit before ordering.\u003c\/p\u003e\n\u003cp data-start=\"615\" data-end=\"760\"\u003e\u003cstrong data-start=\"615\" data-end=\"653\"\u003eQ: What functions does it control?\u003c\/strong\u003e\u003cbr data-start=\"653\" data-end=\"656\"\u003eA: It manages key spa functions including pumps, jets, blower, lighting, temperature, and mode settings.\u003c\/p\u003e\n\u003cp data-start=\"762\" data-end=\"915\"\u003e\u003cstrong data-start=\"762\" data-end=\"797\"\u003eQ: Does it include the overlay?\u003c\/strong\u003e\u003cbr data-start=\"797\" data-end=\"800\"\u003eA: Depending on supplier, it may come complete or require a matching overlay—check listing details before purchase.\u003c\/p\u003e\n\u003cp data-start=\"917\" data-end=\"1055\"\u003e\u003cstrong data-start=\"917\" data-end=\"952\"\u003eQ: Why was MAS560 discontinued?\u003c\/strong\u003e\u003cbr data-start=\"952\" data-end=\"955\"\u003eA: It has been superseded by the ML900 upgrade, which offers updated compatibility and availability.\u003c\/p\u003e\n\u003cp data-start=\"1057\" data-end=\"1219\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1057\" data-end=\"1085\"\u003eQ: Is installation easy?\u003c\/strong\u003e\u003cbr data-start=\"1085\" data-end=\"1088\"\u003eA: Yes for a qualified technician or experienced DIY installer—typically a direct swap with matching connector and mounting layout.\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\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:a0a73f2c-f3c9-42d0-9958-01fbde1d827a-9\" 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:a0a73f2c-f3c9-42d0-9958-01fbde1d827a-9\" data-turn-id-container=\"request-WEB:a0a73f2c-f3c9-42d0-9958-01fbde1d827a-9\" data-testid=\"conversation-turn-20\" 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=\"b623a3bd-925a-404c-a891-4257066bd59e\" 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=\"0\" data-end=\"1035\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"15jotki\" data-start=\"0\" data-end=\"158\"\u003eKeep the ML900 topside dry and properly sealed—moisture intrusion is the #1 cause of display failure in spa keypads. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13q15tf\" data-start=\"159\" data-end=\"295\"\u003eClean only with a soft microfiber cloth and mild soap solution; avoid chemicals that can degrade the overlay or touchscreen coating.\u003c\/li\u003e\n\u003cli data-section-id=\"ftptj7\" data-start=\"296\" data-end=\"458\"\u003eInspect the faceplate gasket and perimeter seal regularly; re-seat or replace if you notice lifting, gaps, or stiffness. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m1633s\" data-start=\"459\" data-end=\"564\"\u003eAvoid excessive pressure or sharp objects on buttons\/touch areas to prevent internal membrane damage.\u003c\/li\u003e\n\u003cli data-section-id=\"peceb0\" data-start=\"565\" data-end=\"670\"\u003eDo not spray water directly at the topside during cleaning—wipe only, especially around button seams.\u003c\/li\u003e\n\u003cli data-section-id=\"1tsnsuq\" data-start=\"671\" data-end=\"797\"\u003eEnsure the spa cover is not leaking chemical vapor onto the panel after dosing (leave cover slightly open after shocking).\u003c\/li\u003e\n\u003cli data-section-id=\"1dckdrt\" data-start=\"798\" data-end=\"898\"\u003ePeriodically check the cable connection at the spa pack for corrosion, tight fit, or pin damage.\u003c\/li\u003e\n\u003cli data-section-id=\"1k79y64\" data-start=\"899\" data-end=\"1035\" data-is-last-node=\"\"\u003eDisconnect power before servicing or replacing the panel to avoid board or communication damage. \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\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MASTER SPAS","offers":[{"title":"Default Title","offer_id":45804701679807,"sku":"x300739","price":434.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/0008617_X300739.jpg_550.jpg?v=1782928610","url":"https:\/\/se0yig-03.myshopify.com\/products\/pack-ms90u-825-3rd-sensor","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}