{"product_id":"pentair-475975-kit-eti400-control-board-replacement","title":"Pentair 475975 Kit ETi400 Control Board Replacement","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003ePentair 475975 Kit ETi400 Control Board Replacement is a replacement control board kit for compatible Pentair ETi400 heaters. It manages heater operation and internal system logic.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003eA failed control board can cause ignition problems, display errors, or complete heater shutdown. Replacing it restores proper sequencing and communication between components. Reliable control operation supports consistent heating performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePentair manufacturer part number 475975\u003c\/li\u003e\n\u003cli\u003eETi400 control board replacement kit\u003c\/li\u003e\n\u003cli\u003eFor Pentair ETi400 heaters\u003c\/li\u003e\n\u003cli\u003eElectronic control component\u003c\/li\u003e\n\u003cli\u003eOEM Pentair replacement kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003eDisconnect electrical power before servicing the heater. Follow proper grounding and wiring procedures during installation. Confirm by manufacturer part number before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout the Pentair Brand\u003c\/strong\u003e\u003cbr\u003ePentair designs advanced heater systems including the ETi400 platform. Their OEM electronic components are built for direct compatibility. Using genuine Pentair control boards helps maintain system reliability. Technicians trust Pentair for dependable heater electronics.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003eThis control board kit is typically installed when diagnosing ETi400 heaters with no start, ignition failure, or communication errors.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52078589444370,"sku":"475975","price":160.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/PEN475975_0.png?v=1772562394","url":"https:\/\/www.aquaterrabackyard.com\/products\/pentair-475975-kit-eti400-control-board-replacement","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}