Overheating - Cold Water Tank Boiling

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Overheating - Cold Water Tank Boiling

Post  TheOggy on Fri Feb 14, 2014 12:13 am

Hi,

We have a PulsaCoil A Class boiler.
It is not set up on twin supply (economy 7).

Several times now the error light has flashed quickly and the cold water tank above the boiler unit heats to the point where it boils.

Any suggestions on why this is happening and how it can be fixed please?


Many Thanks,
Matthew

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Re: Overheating - Cold Water Tank Boiling

Post  mike on Fri Feb 14, 2014 6:22 am

Most likely relays are faulty.
There is a mod kit for the PC A class.
Not a DIY job though.
Mike

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