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Last seen: Aug 26, 2026
@crimson Sounds like the emitter is not emitting enough before the water exits to the return pipe to me. If the emitter is not ‘sucking’ enough energy...
And one more thought: if the radiator contains less water, then it would need to be able to extract more thermal energy from the smaller amount of wat...
@crimson There is a practice with valves being opened fully then cranked back a fraction to make it easier to free up if at some time in the future, t...
@crimson If “The issue seems to be as the ASHP runs, after not long the flow and return temps get close meaning then the ASHP turns off, not leaving e...
@derek-m And at the risk of teaching grandmother to suck eggs… Open the lockshield valve fully anticlockwise to start off and unless you have a proble...
Isn’t it time we developed a means of burning those invertebrates called ‘Hypocritters’ there’s plenty of them about!? Regrets Toodles.
@abernyte A ‘Housing Association’ type New Build. Toodles
@clairelp Bit of a bummer that, 24/7 is best I think, so shame this keeps you awake. Does sound like a plumbing issue rather than an ASHP issue anyway...
@clairelp If you can hear a ‘pumping sound’ then if you are sure it is not a pump in the airing cupboard (is there one in there?) perhaps there is air...
@persephone I can’t speak for others Persephone, but they (the MCS) certainly did check with me; I had a long phone call from them checking that the w...
@jamespa And much though I would like to ‘quieten’ the emergency services sirens, the motorway, 3 x A roads, a 24/7 food storage facility, Southern Re...
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Degrees of Separation
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
@old_scientist Have you ran the numbers as to which ...
By Papahuhu , 1 minute ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 2 hours ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 4 hours ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 4 hours ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 5 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 21 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 21 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 2 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 4 days ago



