POTTERTON GOLD SYSTEM 18 HE & 18 ERP BOILER MAIN PCB 5122458
POTTERTON GOLD SYSTEM 18 HE & 18 ERP BOILER MAIN PCB 5122458 See List Below. POTTERTON GOLD SYSTEM 18 Erp serial no. ending in AC. ending in BC & CC. ending in DC. POTTERTON PROMAX SYSTEM 18 ERP (SERIAL NO ENDING AC).