There is defo no switch, I been in this house since it was built, it’s just strange that the water board turned water off for street repairs and the the hot water won’t work, and cylinder won’t sending demand to boiler but the heating does, and when the heating is on it heats the water
nothing to do with the water being turned off, if the HW Cylinder heats when the CH is selected you need a G3 qualified person to sort it, not a big job to be honest,
That's exactly what you have been advised to do ,and what you should have done ,rather than mess about with things Bobby. Do yourself a favour and get a G3 in. Regards Terry
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