Potterton Promax Ultra Combi 24/28/33/40kW Expansion Vessel 720753901 8L

Potterton Promax Ultra 24 Combi ERP ( Serial No Ending AC ) - GC No. 47-393-54 AC. Potterton Promax Ultra 24 Combi ERP ( Serial No Ending BC & CC ) - GC No. 47-393-54 BC. Potterton Promax Ultra 24 Combi ERP ( Serial No Ending DC ) - GC No. 47-393-54 DC.

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