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Vaillant 0020038679 single sealing gasket
Product Code: 476306
The O-rings, washers and gaskets are used in lots of different areas within your central heating boiler. They are used to create seals between pipework and other parts within the boiler. Heat exchangers, gas valves and many others parts require orings, washers and gaskets to prevent leaks of gas or water occuring.
- Genuine Vaillant Spare