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Last seen: May 19, 2025
Have also ordered a digital room thermometer to make sure my Wunda UFH display temps are accurate. Upstairs is on Hive, I do think that is accurate. S...
@mikefl the installer say the will service for Grant as G1 installers. Have messaged them to see if I can bring it forward as we are going on 11 month...
@jamespa it’s a 13KW with 250 litre Grant tank. It serves hot water and our downstairs UFC and 8 upstairs radiators. the house is 294 sqm, built by...
thanks James. Woke to 18.1 today which is not ideal after another frosty night. When the temp is above zero and no frost cycles we don’t have these...
Another frosty night. Woke to an average downstairs temp of 18.1 upstairs 18.0. it needs to do better than that. If it can’t do better than that b...
There is no obvious space for the LLH in our utility room. Perhaps that is why it wasn’t installed. I wonder if adding an external volumiser would be ...
Hello. So this will be our first full winter with the ASHP. It was installed around the 20th of January last winter and has been fine. One slight issu...
I think it’s safe to say it isn’t connected up. I’ve just looked at what the LLH itself should look like and seemingly I don’t have one. I’m pretty su...
Just went into the LLH parameters from Mike’s link. Mine was completely off. Now set to 3 and it also allowed for the LWT during defrost to be adjuste...
@mikefl hi Mike. Is this meaured in the same settings as you told me about the other day to measure the LWT and return temperature? Or configurable vi...
Woke to 17.5 to 18.5 throughout the house. Low of -6 overnight. have identified an issue though as the utility room was freezing and no feeling of ...
-3.5 outside now and indoor temps slowly rising, despite the defrost cycles every 45 mins.
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 3 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 8 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 13 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 4 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 5 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago



