Vaillant Expansion Vessel & PRV Kit 964103 Duo-tec 2 Combi 33 GA (GC No. 4707556) Baxi Pressure Gauge 5118385

Baxi Pressure Gauge 5118385

Viessmann Gasket Set (4) Plate Heat Exchanger 7823859

Keston Diverter Valve Paddle & Body Kit Motor 179020

Keston Manifold- Sump Seal 175575

Vaillant Expansion Vessel & PRV Kit 964103 Duo-tec 2 Combi 33 GA (GC No. 4707556) Baxi Pressure Gauge 5118385Kit 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.