{"product_id":"potterton-promax-ultra-pcb-refurbished-720878201","title":"Potterton Promax Ultra PCB – Refurbished | Part Nos. 720878201 \/ 720878202","description":"\u003cp\u003eElectronic faults, boiler lockout, ignition failures, or heating errors in a Potterton Promax Ultra 24, 28, 33, or 40 Combi ERP boiler are commonly caused by a failed printed circuit board. The PCB is the central control unit — managing ignition sequences, heating cycles, temperature regulation, and all safety functions. The \u003cstrong\u003ePotterton Promax Ultra PCB (Part Nos. 720878201 \/ 720878202)\u003c\/strong\u003e is a professionally refurbished direct replacement covering the full Promax Ultra Combi ERP range in both AC and BC\/CC serial number variants, restoring reliable electronic control and safe boiler operation.\u003c\/p\u003e\n\n\u003cp\u003eThis refurbished unit has been cleaned, inspected, and tested by our engineering team before dispatch. All critical PCB functions are verified to be operating correctly. Supplied with a full \u003cstrong\u003e12-month warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible Boiler Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSerial No. Suffix\u003c\/th\u003e\n\u003cth\u003eGC No.\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePromax Ultra 24 Combi ERP\u003c\/td\u003e\n\u003ctd\u003eAC\u003c\/td\u003e\n\u003ctd\u003e47-393-54 AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePromax Ultra 24 Combi ERP\u003c\/td\u003e\n\u003ctd\u003eBC \u0026amp; CC\u003c\/td\u003e\n\u003ctd\u003e47-393-54 BC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePromax Ultra 28 Combi ERP\u003c\/td\u003e\n\u003ctd\u003eAC\u003c\/td\u003e\n\u003ctd\u003e47-393-55 AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePromax Ultra 28 Combi ERP\u003c\/td\u003e\n\u003ctd\u003eBC \u0026amp; CC\u003c\/td\u003e\n\u003ctd\u003e47-393-55 BC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePromax Ultra 33 Combi ERP\u003c\/td\u003e\n\u003ctd\u003eAC\u003c\/td\u003e\n\u003ctd\u003e47-393-56 AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePromax Ultra 33 Combi ERP\u003c\/td\u003e\n\u003ctd\u003eBC \u0026amp; CC\u003c\/td\u003e\n\u003ctd\u003e47-393-56 BC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePromax Ultra 40 Combi ERP\u003c\/td\u003e\n\u003ctd\u003eAC\u003c\/td\u003e\n\u003ctd\u003e47-393-57 AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePromax Ultra 40 Combi ERP\u003c\/td\u003e\n\u003ctd\u003eBC \u0026amp; CC\u003c\/td\u003e\n\u003ctd\u003e47-393-57 BC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote on Serial Numbers:\u003c\/strong\u003e Part No. \u003cstrong\u003e720878201\u003c\/strong\u003e applies to serial suffix AC units; \u003cstrong\u003e720878202\u003c\/strong\u003e applies to BC and CC serial suffix units. Always check your boiler's data plate to confirm the correct part number before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuality-Checked. 12-Month Warranty. Same-Day Dispatch.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvery refurbished Potterton PCB is tested end-to-end by our engineering team before dispatch. Supplied with a full \u003cstrong\u003e12-month warranty\u003c\/strong\u003e. Orders placed before \u003cstrong\u003e1:00 PM (Mon–Fri)\u003c\/strong\u003e are dispatched the same working day. Returns accepted within \u003cstrong\u003e30 days\u003c\/strong\u003e in original unused condition.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Installation must be carried out by a \u003cstrong\u003eGas Safe registered engineer\u003c\/strong\u003e. Please confirm part numbers \u003cstrong\u003e720878201 \/ 720878202\u003c\/strong\u003e and your boiler's serial suffix match before ordering.\u003c\/p\u003e","brand":"Potterton","offers":[{"title":"Refurbished","offer_id":47963687747749,"sku":"PCB-1977-A-BC","price":33.25,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/1690\/8453\/files\/TV-41.png?v=1783255284","url":"https:\/\/ephsuppliers.com\/products\/potterton-promax-ultra-pcb-refurbished-720878201","provider":"Elite Plumbing \u0026 Heating Suppliers Ltd","version":"1.0","type":"link"}