Vaillant 0020038679 single sealing gasket

This Vaillant brand gasket is a spare part for use in the gas assembly of Guernsey/Jersey only (condensing), ecoMAX VU (condensing), ecoTEC VU (condensing), ecoTEC VUW (condensing), ecoMAX VUW (condensing) and ecoTEC VUI (condensing) appliances. O-rings, gaskets and washers are used in many different areas of the boiler to join parts to pipework. Among others sections, heat exchangers and gas valves require these parts to prevent gas and water leaks. Manufacturer Part Number: 0020038679