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Last seen: Mar 14, 2024
@derek-m You just reminded me I have a pizza oven thermometer which I can use In my lounge There are 4 radiators. I took the readings from ...
@kev-m The thermometer is linked the Passiv system and you can see the temperature on the graph which is placed in the lounge. There is no other th...
@allyfish I went to the controller and these are the readings I see at the moment Circulating water return temperature - 32c Compre...
@batalto They were balanced when the additional circulating pump was installed and even then the largest radiators just weren't getting hot. Does...
@derek-m See the graph below for usage in Oct when the unit shouldn't really be defrosting given outdoor temperatures are 7c+. It's not clear to m...
@allyfish thanks for your detailed response. I don't think the unit is undersized if anything we went for something slightly bigger than what the he...
@hughf do you know anyone knowledgeable who could do this and would it invalidate any Grant warranty? I think you are right though grant just treat i...
@derek-m Thanks for your response see below for responses to your questions. Heat loss attached Yes in weather compensating mode AFAIK 21c i...
Addendum to my previous post. Also I wanted to ask if anyone else sees the sort of consumption pattern in the picture attached where the heat pump co...
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Latest Posts
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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 , 7 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 , 8 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 , 8 hours ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 10 hours 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 , 11 hours 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 , 16 hours ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 1 day 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 , 1 day ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 1 day ago
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My feed of random industrial auctions turned up this au...
By Prunus , 1 day ago
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Thank you @majordennisbloodnok – that means a lot, part...
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 2 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...
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We kept ours and Heat Geek would have been in touch if ...
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