gas burner turning on and off on a hermann supermicra boiler

ashman71 · 3 Mar 2009

Hi all,
I am in need of some advice please, i have a problem with a herman supermicra he condesing boiler.
the burners keep going on and off every 30 seconds, when hot water or heating is turned on. I can hear a clicking noise of the unit mounted on the gas valve. (electric box) can you please advice

many thanks

Deleted member 105431 · 3 Mar 2009

you need a new sit 537 abc cvi (electronic box on gas valve), this is a very common fault on what is a cheap and nasty badly designed boiler.

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gas burner turning on and off on a hermann supermicra boiler

ashman71

Deleted member 105431

DIYnot Local

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