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- 17 Nov 2023
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Hello... I'd be grateful for opinions on what may be causing the following symptoms on my Heatslave combi boiler (oil). When I turn the heating on, hot water will initially circulate around the system normally, but will eventually stop circulating and the radiators will cool down - but it does appear that the CH pump is still running and is quite hot. If I open a hot tap, I can hear a relay click and the boiler will give hot water to the tap AND it will also start circulating hot water around the radiators. I'd be grateful for your advice. Many thanks!