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.