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Mathew Newton
 
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Default Combi Boiler Stops Heating

wrote:
Hi,
Our combi boiler fires up when we put the hot tap on but after about 30
seconds it then stops again. After another 30 seconds it repeats the
process. Unfortunately this means we are unable to use the shower.


What boiler is it?

The symptoms sound like a potential dodgy diverter valve (e.g. perished
diapgragm).

Mathew