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Last seen: Sep 20, 2026
I have recently been pondering, while trying to help another participant in the forum, why some heat pumps bother to modulate the water pump to mainta...
As you say should be straightforward, good luck with the work!
I forgot you had a LLH and secondary pump. Is the service technician who visited proposing to remove it or leave it and add a buffer tank/volumiser i...
Yes, just blank off the unused ports. As you have fancoils I would put the volumiser in the flow, not the return, it might just soften the experienc...
No problem if you want to ask more questions but without a doubt leaving these things from time to time is a good idea. only by doing so do you get t...
Why does it matter if the flow changes a bit, so long as its sufficient to carry the required energy? Mine certainly changes from time to time. No n...
Not really, and thinking of them this way can mislead. Its also misleading to think of the heat pump sending a fixed amount of heat. It sends hot wa...
That's actually two priorities, lwt and flow temperature are the same thing. If the radiators demand more heat, the only way it can maintain ft i...
Ebay? Or has the market been saturated as a result of ECO4?
@barrovian1963 yes. Not ideal but not disastrous either. There are tricks to increase the period/reduce the frequency eg increase flow temp hysteris...
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Latest Posts
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RE: Next steps on my ASHP journey: Radiators and Pipework
First up once I have a flow meter fitted is to simply m...
By Rob of York , 1 hour ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 24 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I wouldn't be too concerned about the design ...
By Rob of York , 24 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 1 day ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 1 day ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 1 day ago
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RE: Why are ASHP installs so expensive?
Posted by: @batpred There´s another aspect that coul...
By Rob of York , 1 day ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 2 days ago
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RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 2 days ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 2 days ago
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My feed of random industrial auctions turned up this au...
By Prunus , 2 days ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 3 days ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 5 days ago



