Vaillant Expansion Vessel & PRV Kit 964103 Main Heat Only 18 HE A (GC No. 4146718) Glowworm Siphon 0020013711

SKU: 70138872800

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Vaillant Expansion Vessel & PRV Kit 964103 Main Heat Only 18 HE A (GC No. 4146718) Glowworm Siphon 0020013711Kit 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.

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