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Last seen: Sep 23, 2026
It’s a long time since I’ve looked at the manual but I thought I remember Thermo off just controlling any secondary circulation pumps? I’ve spent hu...
@jamespa It has always worked with these settings and nothing has been changed which points to a fault somewhere. I haven’t done any troubleshooting y...
@jamespa I know it’s reached the set point as the set temp and the actual temp are both showing 48 degrees. Usually this would trigger the switch back...
@jamespa Hi James The controller shows it’s still in DHW mode despite reaching the set temperature. It’s not on a timed program, it turns on at 45 and...
@jamespa My experience is that local 'old school' plumbers/heating engineers tend to be older and don't want the hassle of getting involved in poorly ...
@jamespa I guess it could be a faulty connection. The original installers fitted all the cables so badly that the mental case wouldn't fit. It's sat o...
@jamespa I honestly do appreciate you trying to help but it's nothing obvious. It's in DHW mode which is set to 48 degrees - temp gets up to 48 but it...
@editor Big ad on this site advertising £7500 saving on a heat pump. NOT if that £7500 went to the developer! As the first owner of our property, I wa...
@editor Just seen your book 'Bodge Busters' with a forward by Graham Hendra. Graham Hendra formerly of Freedom Heat Pumps who supplied the Hitachi sys...
@jamespa Latest issue is the system getting 'stuck' in hot water mode and not switching back to heating. The motorised valve can be operated manually.
@editor So many pro heat pump evangelists on the internet, but the reality, at least local to me in Buckinghamshire, is an industry full of charlatans...
@trebor12345 Sorry, the forum won't let me message you until I have more replies
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Degrees of Separation
Latest Posts
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 25 minutes ago
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@batpred The Daikin temperature probe protrudes from th...
By Toodles , 4 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 6 hours ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
By EtchedPixels , 6 hours ago
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RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
By JamesPa , 6 hours ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 10 hours ago
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Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 11 hours ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 14 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 2 days ago
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RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 2 days ago
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Six books in three years and I think I’ve now covered j...
By Mars , 2 days ago
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RE: Grant Aerona3 13kw - Buffer Tank - Heating Journey
@heymikey Well done in achieving as nearer a match acro...
By Toodles , 3 days ago
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