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Last seen: Nov 2, 2026
Never assume it makes an ass of u and me! You need the return temp to be lower than about 55 for a boiler to condense. If you start of with a FT of ...
Before I answer your specific questions just one more thing to highlight. The upstairs rads may well be big enough, but because your heatmiser is (pr...
The costs, if any, are not that great - see my calculation above and comment about (non-) condensing boilers. When I abandoned setback and turned my...
By 'no recovery penalty' I mean no efficiency penalty because it has to work harder to supply the extra energy needed to replace the energy lost durin...
This topic will run and run for sure The misunderstanding many suffer from (and the controls industry almost actively encourage this misunderstandin...
Only the manual The commissioning documents state which inverter model it is.
Your installer is probably right. The L9 error means low flow, and if the zones aren't open this will be the reason. You cant fix the error without ...
Im sure there are plenty of gags to be had linking MCS and rodents of various types!
Thanks everyone, this is going to take some analysis so it might take a while before I respond fully. Of course any further inputs are appreciated! ...
There is room outside but only the other side of the house to the garage. The CU is in the garage so it would require a long run of cable to connect ...
Thanks. The concept of daisy chaining the inverters is attractive in principle as there is no ambiguity what's happening! It also makes for a simple...
Thanks. The concept of daisy chaining the inverters is attractive in principle as there is no ambiguity what's happening!
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RE: Adding data centre electricity costs to domestic energy bills?
Potentially the largest data centre hub in Europe and t...
By Jeff , 34 minutes ago
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RE: Octopussy cosy 6 experience
At current oil prices I think you might be able to do a...
By JamesPa , 50 minutes ago
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I hadn't realised that but it sounds like another nail ...
By JamesPa , 52 minutes ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Because, if the boiler has failed, who is going to put ...
By JamesPa , 1 hour ago
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RE: Aerotherm and weather compensation
The principal cause of inefficiency if a heat pump is n...
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RE: Solar Power Output – Let’s Compare Generation Figures
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
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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 , 20 hours ago
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RE: Marvel Heating liquidation
Insolvency is brutal. I have experienced three, two as...
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@etchedpixels Agreed, just a thought for others. I am...
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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 , 2 days ago
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Coming back on subject... A shortened version of the ...
By Transparent , 3 days ago
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RE: Say hello and introduce yourself
Perhaps it is time for an update on ‘our’ project. We h...
By Toodles , 3 days ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 5 days ago


