My Jaguar combination boiler has suddenly developed a fault in that it doesn't turn off. Regardless of the position of the timer switch and having set it to summer mode, the central heating is on constantly and I have to turn the boiler off at the mains to prevent it from coming on. The overheating sensors do not appear to be cutting in and forcing the boiler to shutdown. Could you please advise the most likely source of the problem, before I contact a local maintenance company.
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Jaguar combination boiler won't turn off
- Thread starter Wayne6105
- Start date
The hot water demand switch is jammed in the on position.
Possibly from a leaking pin gland allowing water into the switch. But could also be a seized pin.
The gas valve has to be removed so not a DIY job.
We would charge about £127 in our local area.
Tony
Possibly from a leaking pin gland allowing water into the switch. But could also be a seized pin.
The gas valve has to be removed so not a DIY job.
We would charge about £127 in our local area.
Tony
DIYnot Local
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