Woke yesterday to no heating or water. Checked timer, thermostat etc - all ok.
We had previously had an issue with the pcb which needed some joints re-soldered a couple years ago. The pcb was now quite black in one area and with the valve and pump ok, the boiler lights coming on when being asked to by the thermo and timer I bought a new pcb today.
Changed it - no heating or water. The pipes at the top are both cold.
The valve moves if I switch on/off heating/water and the pump is on, and the boiler reacts to the timer.
how about getting a registered gas tradesman to fix your boiler instead of doing a diy job. boilers aint taps where you can just have a go yourself, there serious appliances that could lead to death when being worked on by over confident, un-competent people like yourself.
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