{"product_id":"pentair-521233-load-center-system-transformer-easytouch-intellitouch-genuine-oem","title":"Pentair 521233 Load Center System Transformer — EasyTouch \u0026 IntelliTouch, Genuine OEM","description":"\u003cp\u003eThe \u003cstrong\u003ePentair 521233 Load Center System Transformer\u003c\/strong\u003e supplies the low-voltage power that runs the control board, display and accessories inside a Pentair load centre. This is the later revision, fitting load centres built after Pentair's design change date. A failed transformer typically shows up as a completely dead panel.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Pentair OEM transformer:\u003c\/strong\u003e Correct voltage and mounting for the current load centre design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost-change-date fitment:\u003c\/strong\u003e Matches the revised load centre layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestores panel power:\u003c\/strong\u003e Addresses a dead control board, blank display or non-responsive system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent-level repair:\u003c\/strong\u003e Replaces just the transformer rather than the whole load centre.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect mounting:\u003c\/strong\u003e Fits the existing bracket and harness connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad application:\u003c\/strong\u003e Used across EasyTouch and IntelliTouch load centres.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 521233\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Load centre system transformer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRevision:\u003c\/strong\u003e After change date\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e Pentair EasyTouch and IntelliTouch load centres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupplied As:\u003c\/strong\u003e Transformer only — no enclosure or panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Pentair (Genuine OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eHow do I know if I need the before or after change-date version?\u003c\/h3\u003e\u003cp\u003eMatch the part number printed on your existing transformer. The earlier version is 520722; this 521233 fits load centres built after the revision. Getting this wrong means a part that will not mount or connect correctly.\u003c\/p\u003e\u003ch3\u003eWhat are the symptoms of a failed transformer?\u003c\/h3\u003e\u003cp\u003eUsually a completely dead panel — no display, no relay operation, nothing responding — after you have ruled out breakers and incoming supply.\u003c\/p\u003e\u003ch3\u003eIs the enclosure included?\u003c\/h3\u003e\u003cp\u003eNo. This is the transformer only.\u003c\/p\u003e\u003ch3\u003eWill this fix an IntelliChlor that has stopped working?\u003c\/h3\u003e\u003cp\u003ePossibly, if the whole panel is dead. If only the salt system is affected, look at 520722 or the SCG board instead.\u003c\/p\u003e\u003ch3\u003eDoes it come with mounting hardware?\u003c\/h3\u003e\u003cp\u003eIt is designed to fit the existing bracket and harness in your load centre.\u003c\/p\u003e\u003ch3\u003eCan I replace it myself?\u003c\/h3\u003e\u003cp\u003eNo. Load centres carry line voltage and this work should be done by a licensed electrician or qualified pool technician.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52791934222653,"sku":"521233","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6741\/8429\/files\/52133_1_364d92cd-e28c-4b18-9550-179daeae6080.jpg?v=1785956138","url":"https:\/\/poolsupply4u.com\/products\/pentair-521233-load-center-system-transformer-easytouch-intellitouch-genuine-oem","provider":"PoolSupply 4U","version":"1.0","type":"link"}