Sime Boiler start up?

10 Dec 2013
Reaction score
United Kingdom
Can anybody tell me why my boiler just starts itself up randomly. I have an Sime Ecomfort plus 30HE boiler and a Salus remote controller. However even with the remote control switched off and on warm or cold days my boiler just starts up and stays on. I am out at work all day and come home to a house which is like a sauna and the radiators ready to melt!
trouble is it is intermittent and if I call out the engineer it may not be happening? Any ideas, it's driving me mad and costing me a fortune.
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Intermittent faults are very difficult to trace.

I went to a Sime boiler yesterday but most engineers stay clear of them!

There are many possible causes but apart from the external control none of them in my view a DIY repair possibility.


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