hi
when i turn on my downstairs heating, it trips out my gas boiler making a clicking sound at the Siemens motorised valve,i have upstairs heating and hot water.can anyone help.do i need to get a new valve. thanks
Any plumber who isn't a complete dimwit should manage it. The wiring is the same for the two valves. Like for like- although the nuts and a olive MIGHT need changing, I can't remember.
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