{"product_id":"sundance-jacuzzi-3pump-main-system-circuit-board-formerly-6600028-part-6600730","title":"Sundance® \/ Jacuzzi® 3‑Pump Main System Circuit Board (Formerly 6600‑028) Part #6600‑730","description":"\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003ePart Number: 6600-730\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eBrand: Sundance Spas\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eMain Control PCB – Sundance® \/ Jacuzzi® NT Logic System (Replacement for 6600‑028)\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"saps_txtdescription\"\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW212846447 BCX8\"\u003e\n\u003cp lang=\"EN-US\" aria-level=\"1\" role=\"heading\" class=\"Paragraph SCXW212846447 BCX8\"\u003e \u003c\/p\u003e\n\u003cp lang=\"EN-US\" aria-level=\"1\" role=\"heading\" class=\"Paragraph SCXW212846447 BCX8\"\u003e\u003cstrong\u003e\u003cspan class=\"TextRun SCXW212846447 BCX8\" lang=\"EN-US\" data-contrast=\"none\"\u003e\u003cspan data-ccp-parastyle=\"heading 1\" class=\"NormalTextRun SCXW212846447 BCX8\"\u003e⚠\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"TextRun SCXW212846447 BCX8\" lang=\"EN-US\" data-contrast=\"none\"\u003e\u003cspan data-ccp-parastyle=\"heading 1\" class=\"NormalTextRun SCXW212846447 BCX8\"\u003e️ IMPORTANT DISCLAIMER – PLEASE READ BEFORE PURCHASING\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-ccp-props='{\"134233117\":false,\"134233118\":false,\"134245418\":true,\"134245529\":true,\"201341983\":0,\"335551550\":0,\"335551620\":0,\"335559738\":281,\"335559739\":281,\"335559740\":300}' class=\"EOP SCXW212846447 BCX8\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW212846447 BCX8\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"TextRun SCXW212846447 BCX8\" lang=\"EN-US\" data-contrast=\"auto\"\u003e\u003cspan class=\"NormalTextRun SCXW212846447 BCX8\"\u003eThere are \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"TextRun SCXW212846447 BCX8\" lang=\"EN-US\" data-contrast=\"auto\"\u003e\u003cspan class=\"NormalTextRun SCXW212846447 BCX8\"\u003eno refunds or returns\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"TextRun SCXW212846447 BCX8\" lang=\"EN-US\" data-contrast=\"auto\"\u003e\u003cspan class=\"NormalTextRun SCXW212846447 BCX8\"\u003e on electronic spa parts\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"TextRun SCXW212846447 BCX8\" lang=\"EN-US\" data-contrast=\"auto\"\u003e\u003cspan class=\"NormalTextRun SCXW212846447 BCX8\"\u003e, including control panels and keypads.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"LineBreakBlob BlobObject DragDrop SCXW212846447 BCX8\"\u003e\u003cspan class=\"SCXW212846447 BCX8\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"TextRun SCXW212846447 BCX8\" lang=\"EN-US\" data-contrast=\"auto\"\u003e\u003cspan class=\"NormalTextRun SCXW212846447 BCX8\"\u003ePlease verify compatibility with your hot tub model before ordering.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"LineBreakBlob BlobObject DragDrop SCXW212846447 BCX8\"\u003e\u003cspan class=\"SCXW212846447 BCX8\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"TextRun SCXW212846447 BCX8\" lang=\"EN-US\" data-contrast=\"auto\"\u003e\u003cspan class=\"NormalTextRun SCXW212846447 BCX8\"\u003eAll electronic components are\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"TextRun SCXW212846447 BCX8\" lang=\"EN-US\" data-contrast=\"auto\"\u003e\u003cspan class=\"NormalTextRun SCXW212846447 BCX8\"\u003ecovered under the original manufacturer’s warranty\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"TextRun SCXW212846447 BCX8\" lang=\"EN-US\" data-contrast=\"auto\"\u003e\u003cspan class=\"NormalTextRun SCXW212846447 BCX8\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-ccp-props='{\"134233117\":false,\"134233118\":false,\"201341983\":0,\"335551550\":0,\"335551620\":0,\"335559738\":210,\"335559739\":210,\"335559740\":300}' class=\"EOP SCXW212846447 BCX8\"\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003ePart \u003cstrong\u003e6600‑730\u003c\/strong\u003e is the updated OEM \u003cstrong\u003e3‑Pump NT System Control Board\u003c\/strong\u003e designed for Sundance® and Jacuzzi® premium spa platforms. This board replaces the earlier, discontinued \u003cstrong\u003e6600‑028\u003c\/strong\u003e and incorporates updated firmware, improved pump logic, refined heater management, and expanded compatibility with UV\/PermaClear® systems.\u003c\/p\u003e\n\u003cp\u003eThis PCB controls all major spa functions including \u003cstrong\u003epump sequencing\u003c\/strong\u003e, \u003cstrong\u003eheater logic\u003c\/strong\u003e, \u003cstrong\u003eCLEARRAY®\/UV operation\u003c\/strong\u003e, \u003cstrong\u003ecirculation pump runtime\u003c\/strong\u003e, and \u003cstrong\u003elighting system control\u003c\/strong\u003e. It is a direct‑fit replacement for older boards using the same NT control architecture.\u003c\/p\u003e\n\u003cp\u003eSince legacy PCB \u003cstrong\u003e6600‑028\u003c\/strong\u003e is now fully superseded, \u003cstrong\u003e6600‑730 is the required service replacement\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eCompatible Spa Models \u0026amp; Systems\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e(Matches the same control family as 6600‑392, but with firmware revisions replacing 6600‑028.)\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cstrong\u003eTHIS BOARD USED ON 880\/850 SERIES (EXCEPT MAXXUS AND ASPEN) PRIOR TO WATERFALL AND HI FLOW CIRC PUMP AND OLDER JACUZZI J-300 SERIES BELOW\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e6600-730 formerly 6600-028, 1997-2005 850 systems, 1 and 2-pump with PermaClear (EPROM Rev. 1.28GX+ included), for all Sundance Spas models except Maxxus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e✔ \u003cstrong\u003eSundance® 880™ Series\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eUsed on the following Sundance® Spas with a 2 Speed Pump #1 and NO WATERFALL:\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e1997-2000 850 Sundance® \u003c\/li\u003e\n\u003cli\u003e2005-2008 (Spring) 850 Sundance®\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePRIOR to WATERFALL and HI FLOW CIRC (MUST HAVE\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/spaandpoolstore.com\/6000-125e-laing-circulation-pump-for-jacuzzi-and-sundance-circulation-pump-220-240-volt\/\"\u003e6000-125\u003c\/a\u003e)\u003c\/strong\u003e \u003c\/li\u003e\n\u003cli\u003e2001 850 Sundance® NT (1 speed air blower only)\u003c\/li\u003e\n\u003cli\u003e2002-2005 Sundance® NT (1 speed air blower only)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eCompatible with select NT‑logic, 3‑pump configurations including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eAspen®\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameo®\u003c\/strong\u003e (3‑pump system years)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptima®\u003c\/strong\u003e (NT‑logic years)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e✔ \u003cstrong\u003eSundance® 980™ Series\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eCompatible only in NT‑logic 3‑pump configurations (varies by model‑year).\u003c\/p\u003e\n\u003ch3\u003e✔ \u003cstrong\u003eJacuzzi® Premium (Shared Electronics Platform)\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eFor Jacuzzi® models using NT‑style 3‑pump boards (e.g., pre‑Balboa SmartTub upgrades):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSelect \u003cstrong\u003eJ‑400™\u003c\/strong\u003e models\u003c\/li\u003e\n\u003cli\u003eSelect \u003cstrong\u003eJ‑500™\u003c\/strong\u003e models\u003c\/li\u003e\n\u003cli\u003e2002-2006 J-375, J-370, J-365, J-365, J-355, J-350\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eReplaces:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6600‑028\u003c\/strong\u003e (legacy, discontinued)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6600‑155\u003c\/strong\u003e (older 880 Maxxus board)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6600‑160\u003c\/strong\u003e (updated Maxxus firmware)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6600‑398\u003c\/strong\u003e (Aspen\/Maxxus NT board)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEarly NT logic boards across 880\/900‑era Sundance® systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Details\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V system board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump Configuration:\u003c\/strong\u003e 3‑Pump primary hydrotherapy layout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor \/ EPROM:\u003c\/strong\u003e Updated revision replacing earlier NT firmware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Features:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eCLEARRAY® \/ PermaClear® UV logic\u003c\/li\u003e\n\u003cli\u003eSmart Logic circulation timing\u003c\/li\u003e\n\u003cli\u003eHeater sequencing (50A\/60A selectable)\u003c\/li\u003e\n\u003cli\u003eLED and incandescent lighting logic\u003c\/li\u003e\n\u003cli\u003eError\/fault logging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTopside Compatibility:\u003c\/strong\u003e Sundance® NT LCD\/LED topside systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectors:\u003c\/strong\u003e Mini‑DIN, pump relays, heater terminals, UV and circulation harnesses\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003ePurpose \u0026amp; Performance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e6600‑730\u003c\/strong\u003e board performs all central control functions in Sundance®\/Jacuzzi® premium spas:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eControls three high‑output therapy pumps\u003c\/li\u003e\n\u003cli\u003eManages heater safety and temperature logic\u003c\/li\u003e\n\u003cli\u003eInterfaces with UV\/PermaClear® modules\u003c\/li\u003e\n\u003cli\u003eSets filtration cycles \u0026amp; circulation operation\u003c\/li\u003e\n\u003cli\u003eControls lighting and auxiliary accessories\u003c\/li\u003e\n\u003cli\u003eStores diagnostic logs for service technicians\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrading to the \u003cstrong\u003e6600‑730\u003c\/strong\u003e may resolve older PCB issues including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFLO \/ OH \/ OH2 logic faults\u003c\/li\u003e\n\u003cli\u003eDead topside panel\u003c\/li\u003e\n\u003cli\u003eJet pumps failing to start\u003c\/li\u003e\n\u003cli\u003eHeater not activating\u003c\/li\u003e\n\u003cli\u003eILOC pump lockout\u003c\/li\u003e\n\u003cli\u003eUV light\/indicator malfunctions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eOrdering Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eElectronics are \u003cstrong\u003enon‑returnable\u003c\/strong\u003e once shipped or installed.\u003c\/li\u003e\n\u003cli\u003eRequires correct \u003cstrong\u003ejumper configuration\u003c\/strong\u003e after installation (50A\/60A, UV enable\/disable, pump count).\u003c\/li\u003e\n\u003cli\u003eEnsure the spa uses a \u003cstrong\u003e3‑pump NT‑logic system\u003c\/strong\u003e before ordering.\u003c\/li\u003e\n\u003cli\u003eFor spas originally equipped with \u003cstrong\u003e6600‑028\u003c\/strong\u003e, this is the \u003cstrong\u003eonly OEM‑approved direct replacement\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e6600-017, 6600-018, 6600-023, 6600-028, are the same boards with different EPROMs.\u003c\/div\u003e","brand":"Sundance Spas","offers":[{"title":"Default Title","offer_id":46355766968492,"sku":"6600-730","price":1701.84,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/2077\/8156\/files\/6600-730_board__03574_b5c382cf-8896-41ee-86e4-edf4629ced92.jpg?v=1780946297","url":"https:\/\/snowvalleyspas.ca\/products\/sundance-jacuzzi-3pump-main-system-circuit-board-formerly-6600028-part-6600730","provider":"Snow Valley Spas","version":"1.0","type":"link"}