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- 30 Jun 2022
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We have a Heatslave 12/18 oil combi boiler that is just a bit weird.
Sometimes the heating won't come on (particularly after a powercut) Even though heating and hot water are set to on all the time.
If I switch off the HOT WATER wait 20 seconds the heating fires up.
Other times we have no hot water ... switch off the HEATING and the boiler fires up and we get hot water.
It makes no sense to me !
Where do I start ? Has anyone seen anything like this?
Sometimes the heating won't come on (particularly after a powercut) Even though heating and hot water are set to on all the time.
If I switch off the HOT WATER wait 20 seconds the heating fires up.
Other times we have no hot water ... switch off the HEATING and the boiler fires up and we get hot water.
It makes no sense to me !
Where do I start ? Has anyone seen anything like this?
