{"product_id":"521233","title":"Pentair Control System Replacement Transformer (521233)","description":"\u003cp\u003eA four-pack of Clean \u0026amp; Clear Plus 520 cartridges refreshes the full filtration set in compatible Pentair cartridge filters. Replacing all cartridges together helps balance flow across the filter and can improve water clarity after a long service interval. This set is ideal when pleats are stained, collapsed, heavily scaled, or no longer cleaning effectively.\u003c\/p\u003e\u003cp\u003eChoose this replacement when you want a clean, part-specific repair rather than forcing a workaround that can create leaks, fit issues, or recurring service calls. Always match the part number, equipment series, horsepower, plumbing size, color, or application details before installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSupports dependable water clarity and routine filter maintenance\u003c\/li\u003e\n\u003cli\u003eGood for replacement projects or new equipment pad setups\u003c\/li\u003e\n\u003cli\u003eHelps maintain clean circulation when matched to the correct system\u003c\/li\u003e\n\u003cli\u003eBuilt for compatible Pentair Pool Products equipment applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pentair Pool Products","offers":[{"title":"Default Title","offer_id":48503660642459,"sku":"521233","price":386.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/521233_XL.jpg?v=1778040215","url":"https:\/\/www.bathandspaparts.com\/en-ca\/products\/521233","provider":"Bath and Spa Parts Online","version":"1.0","type":"link"}