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What boiler thermostat setting?

oldskoo1 · 2012-12-19 19:11:42

I have a non condensing ideal classic boiler and I'm wondering what I should set the thermostat to. In my old house the potterton was set to max. I'm wondering what setting would be best for cost comfort balance. The rads currently are very hot on setting 5 of 6. I assume 6 uses the most gas but 4 might be adequate to…

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oldskoo1 Posts: 619 Forumite

24 December 2012 at 11:10AM

On some boilers the thermostat dial just shuts off the boiler once it reaches temperature

It won't affect the volume of gas being burned. Most affective use on old boilers is to have it on max and make sure the pump speed and radiator balancing is correct so enough heat is extracted before it returns to the boiler. If you have trvs and the lockshields are as hot as the flow once some rads are off you may find the boiler cycles a lot.

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