Vaillant Service Cock | 0020010296

A Vaillant service cock with O-ring and screws for use in the isolation valve of Guernsey/Jersey only (condensing), ecoTEC VUI (condensing) and ecoTEC VUW (condensing) boilers. Usually situated underneath heating appliances, the isolation valve lets the user regulate the flow of gas and water into a central heating system. It also allows the user to stop the flow in case of a leak or emergency.

This part fits the following boilers :

• ecoTEC pro 26 VUW 266/5-3 R4

• ecoTEC plus 937 VUI 376/5-5 R1

• ecoTEC exclusive 835 VUW 356/5-7

• ecoTEC plus 824 VUW 246/3-5

• ecoTEC plus 824 VUW 246/5-5

• ecoTEC plus 824 VUW 246/5-5 R1

• ecoTEC plus 825 VUW 196/5-5 R6

• ecoTEC plus 831 VUW 316/3-5

• ecoTEC plus 831