Products tagged with 'vaillant service cock'

Genuine Vaillant Service Cock 0020010291 replacement component for compatible Vaillant VUW and ecoTEC Plus boilers. Designed to control water flow during servicing and maintenance, ensuring reliable boiler system operation.

This genuine Vaillant service cock (135752) left and right 19mm x 22mm is an isolation valve designed for use beneath Vaillant boilers. It allows controlled regulation of water and gas flow within the central heating system and enables full shut-off during servicing, leaks or emergencies. Ideal for boiler installation and maintenance.