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valliant System boiler Pumps always running
jaks101
Posts: 82 Forumite
I have a new 638 valliant system boiler and the two external pumps always are running, Is this normal. to me it seems a waste of energy. Even when there is no demand for hot water or central heating they are whirring away.
I have had the central heating guy out who assured me it was normal and mentioning over run which I get but I don't think they should constantly run just for say 5 minutes later.
WHat is the likely issue, incorrect wiring or a setting on the boiler.
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Comments
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5 minutes of over run is fairly normal but that's not "always running".NE Derbyshire.4kWp S Facing 17.5deg slope (dormer roof).24kWh of Pylontech batteries with Lux controller BEV : Hyundai Ioniq50
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