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Last seen: Nov 4, 2026
Well that sounds like a win, hopefully. Nothing else to ask I dont think (other than the installer password if there is one - which is probably the d...
OK so feed to rads colder than feed to UFH and colder than flow temp from heat pump. Not good, losing efficiency and thus oomph to building. Taking ...
It does feel like you may have a genuine fault, unfortunately perhaps not bad enough to convince the manufacturer easily. Id be tempted to collect ...
All understood. Basically you are planning on creating a recirculating loop. There are a couple of threads running about this with people complaini...
The last bit of that is bad. Thats just badly (well appallingly) designed UFH and most likely the fundamental problem here - half your energy is goin...
Unfortunately COP for DHW will always be lower because it requires a higher flow temp and thats how the thermodynamics work. 52C is high however, you...
Er not sure that is universally true. Mine is cheaper overall to run that my gas boiler would have been, by about 20% or thereabouts. I have radiato...
Firstly you are getting your units mixed up which is a little confusing. kW is power (how fast you are driving), kWh is energy (how far you have gone...
I would bypass the buffer tank in one of flow or return only, it will then act a bit like a volumiser. The problem you have relatively to a tank th...
I agree with all of that. 220 pages is perhaps 210-215 pages too much. Unfortunately there is no substitute for (a) understanding some basics (which...
@davidnolan22 Perhaps you could post some more info about your setup, house and system and WC parameters - you never know it may be possible to diag...
OK. I have 2.8 for DHW and 3.4 for space heating running at an actual FT of about 36. Yours does seem a bit low depending on what FT you were runnin...
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Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
The £15K quote was for an A2W system with rads upgraded...
By SusannaSaunders , 29 minutes ago
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RE: Why don't people choose heat pumps?
Agree. Government and industry have to work out how to ...
By JamesPa , 2 hours ago
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RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 2 hours ago
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I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 5 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes and no. The key in my opinion is that for many pe...
By Majordennisbloodnok , 7 hours ago
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RE: Adding data centre electricity costs to domestic energy bills?
"That means I can speak out when I see a conflict betwe...
By EtchedPixels , 9 hours ago
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RE: Electricity price predictions
I wasnt sure where to post An interesting meeting ...
By Jeff , 1 day ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Agree with everything else. Personally I think the as...
By JamesPa , 1 day ago
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RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 days ago
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RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 3 days ago
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 3 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 3 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 5 days ago


