Vaillant Expansion Vessel & PRV Kit 964103 Duo-tec 2 Combi 33 GA (GC No. 4707556) Potterton Electrode Set inc Screw

Potterton Electrode Set inc Screw & Gasket 7216299

Keston Diverter Valve Paddle & Body Kit Motor 179020

maintain system efficiency

Baxi Gasket Burner Mesh 7727394

REGQ141 - Quick Blow Fuse 20mm 2A (3)

Vaillant Expansion Vessel & PRV Kit 964103 Duo-tec 2 Combi 33 GA (GC No. 4707556) Potterton Electrode Set inc ScrewKit 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.