Vaillant Expansion Vessel & PRV Kit 964101 CD 18R (GC No. 4153203) Potterton Ignition & Ionisation Electrode

Potterton Ignition & Ionisation Electrode 5130293

Electrode (No wiring)

Keston Flow Sensor Hall Effect 175590

Vaillant Seal Kit 0020272056

Ariston Expansion Vessel 6 Litre 998616

Vaillant Expansion Vessel & PRV Kit 964101 CD 18R (GC No. 4153203) Potterton Ignition & Ionisation ElectrodeKit 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.