POTTERTON PROMAX 12 15 18 24 32 HE PLUS A SYSTEM BOILER CONTROL KNOB KIT 5118397
Will fit: POTTERTON PROMAX 12 HE PLUS A SYSTEM BOILER. POTTERTON PROMAX 15 HE PLUS A SYSTEM BOILER. POTTERTON PROMAX 18 HE PLUS A SYSTEM BOILER. POTTERTON PROMAX 24 HE PLUS A SYSTEM BOILER. POTTERTON PROMAX 32 HE PLUS A SYSTEM BOILER.