how to turn off hot water feed from boiler to hot water syst Help and information on all topics relating to your central heating, air conditioning and ventilation issues.

[arkle]

I have a baxi combi inst 105he boiler and need to turn off the hot water outlet supply as i need to replace tap washers on mixer taps in the kitchen but there is no visible on/off valve on the pipes.

[plumbbob]

Simply shut off the incoming cold mains. It will stop the hot as well.

[htg engineer]

Turn off the cold water isolation valve - 2nd from the right


htg