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Last seen: Oct 26, 2026
@batalto - brilliant, you are a hero! It looks like S6 is upper mid position on the MAIN BOARD in the drawing just above the one showing the switch se...
@grahamh - yes, that helps, I will have a look inside the unit when it is less damp outside and see if I can make sense of things. Presumably if a 16k...
Reviewing the entire history of this installation to date, I think the key points can be summarised as follows: All the design calculations were don...
@grahamh - I've not been able to find anything in the manual yet, but no rush, need to see if there is a problem at low ambients before fixing it. Hav...
@grahamh - its a very impressive spreadsheet, how you managed to keep on top of all those lookup formulas is beyond me. I did wonder if gh was you, bu...
Apologies in advance - this is a very long post... @derek-m - you are of course right, as I feared you would be. The rad sizing was based on the hig...
Hi @derek-m I agree the heat loss needs reducing as it is high, and there is scope for lowering it, even within the listed building constraints eg d...
Hi @derek-m I was also hoping you would see my post and have something to say, as I have seen some of your other posts, and the impressive work you ...
I was hoping you might see my post, and, having read many of your posts, dared to hope you might reply, as you have written much interesting stuff, he...
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Latest Posts
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
I know most of the folks I use pretty well so I'm fairl...
By EtchedPixels , 4 hours ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders I'll set this up and start monito...
By Rob of York , 4 hours ago
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RE: Electrical works for air to air heat pump
An electrician who signs off work is responsible for it...
By EtchedPixels , 10 hours ago
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RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 10 hours ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews I have read you latest response re buffer ...
By JamesPa , 1 day ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 2 days ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 3 days ago
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RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 3 days ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 4 days ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 4 days ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 5 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 5 days ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 5 days ago
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