Vokera Vessel & PRV Kit 977102 Greenstar ErP 28CDi Compact (GC No. 4740677) Viessmann Safety Valve 7833037

Viessmann Safety Valve 7833037

REGQ101 - M5 Steel Star Washers (30)

Potterton Condensate Trap Kit 5111714

Potterton Expansion Vessel 8 Litre 5114691

Viessmann Insulating Ring 7828346

Vokera Vessel & PRV Kit 977102 Greenstar ErP 28CDi Compact (GC No. 4740677) Viessmann Safety Valve 7833037Kit contains: Expansion vessel Pressure relief valve GasPart Vessel Kits make boiler pressure issue repairs as easy as possible. Good practice suggests replacing a PRV at the same time as a faulty vessel. A faulty vessel can cause damage to the PRV resulting in the boiler still showing a low pressure fault. Buying both together is simple and will help eradicate further problems.