{"product_id":"pentairwaterpoolandspainc_xfm3bk","title":"Pentair Transformer Assembly For CP3800 Family | CP3800 ComPool Control System | XFM3BK","description":"\u003cp\u003eThe Pentair XFM3BK is the OEM replacement Transformer Assembly for the CP3800 Family of ComPool pool and spa automation control systems.\u003c\/p\u003e\n\n\u003cp style=\"background-color: #fff3cd; border: 2px solid #FFEAA7; padding: 15px; border-radius: 5px; margin: 15px 0; color: #856404;\"\u003e\n\u003cstrong\u003e⚠️ IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED\u003c\/strong\u003e\u003cbr\u003e\nThis component operates at mains voltage (120V\/240V). Electrical control components must be installed or replaced by a qualified electrician or certified pool technician. Do not attempt to service this component without proper certification and with power fully disconnected at the main breaker.\n\u003c\/p\u003e\n\n\u003cp\u003eThe XFM3BK transformer assembly serves as the primary power supply and circuit protection unit within the CP3800 ComPool automation control panel. Failure of this assembly typically presents as a complete loss of control system function or loss of power to one or more controlled circuits.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; border: 1px solid #ccc;\"\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003ePentair Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eXFM3BK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eTransformer Assembly For CP3800 Family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eQuantity Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm the part number printed on your existing transformer assembly matches XFM3BK — the CP3800 family includes multiple control system variants, and transformer assemblies are not interchangeable across all configurations. All service on this component must be performed with power fully isolated at the main breaker by a qualified technician.\u003c\/p\u003e\n\n\u003c!-- wft:processed:manual:2026-04-04 --\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":53943784505619,"sku":"XFM3BK","price":265.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0920\/0687\/5411\/files\/pentair-transformer-assembly-for-cp3800-family-cp3800-compool-control-system-xfm3bk-4.webp?v=1780514003","url":"https:\/\/poolaroo.com\/products\/pentairwaterpoolandspainc_xfm3bk","provider":"Poolaroo","version":"1.0","type":"link"}