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Last seen: Nov 12, 2026
Looking again I think the slightly hidden motorized valve has 3 ports, one directing water to the middle of the cylinder the other to the bottom. The...
Good idea. You will probably find that the cycling 'problem' disappears as it gets cooler. Its probably best not to get too intense about this, you c...
@bontwoody I can see 3 motorized valves but cant quite work out how one of them (which is on the pipework to the cylinder) is connected. I also dont ...
In purely theoretical terms the cooler the flow temperature the more efficient the heat pump is at delivering any given amount of energy, so longer an...
@toodles, @cathoderay There is clearly a difference is air intake sensor reading between when the heat pump is on and when its off, with the value ...
I'm always somewhat cautious when claims are made of 30% saving in energy use by turning off/down the heating for part of the day. I'm not for a mome...
Heat loss surveys are at best a reasonable estimate and at worst total nonsense. Although the science on which they are based is sound, there are too ...
This a matter of law not an MCS decision or even guidance. End of unless you want to apply for planning permission. You mention it's a Va...
The sensor should really be outside in the shade, not inside the unit or in sun. Assuming it's separate (some ashps only have sensors in the air inta...
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Latest Posts
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Should I change my cylinder when changing from a gas boiler to a heat pump.
I have 178 L Gledhill unvented cylinder which was fitte...
By David , 5 hours ago
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 6 hours ago
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@batpred The Daikin temperature probe protrudes from th...
By Toodles , 10 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 , 12 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 , 12 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 , 12 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 , 16 hours ago
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Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 17 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 , 20 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 , 3 days ago
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