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Last seen: Mar 21, 2026
As of 2nd April I am now expecting to get all my family DHW and Legionella heating from the sun. That should continue until around mid October. We are...
Apologies for late arrival to this thread. Accepting the obvious and hidden problems with this installation… Is it fare to say it may be easier to p...
@derek-m another query I have in the back of my mind is how the energy consumed by the immersion heater is being calculated. in certain circumstance...
The attached sheet came from the Ecodan Data files Posted by @mjr ( thanks for that) And is for the Ecodan PUZ-WM85-VAA Can anyone explain. This...
Hi @Harriup i thought I ought to add some comments on this for Sarah to consider. Theres a good reason why there is a flow rate range quoted, and ...
On reading about your large windows and solar gain - there is usually other times of the day or on exceptionally cold day when large windows - even tr...
Thanks for info @william1066 and @kev-m interesting article. Also flow volume for our Ecodan 8.5 are easily met. Rad volumes = 111 litres 28mm ...
HI Mike Can you point me in the direction of the article you refer to above. Also - when removing a LLH, is there a way of calculating the require...
Just to recap and summarise on earlier posts: We had seen a small loss of temperature across the Flow Pipes as the water passed through the Low Loss...
yes. Quote right, accuracy and 1c increments could lead to a skewed interpretation especially when we are only looking at 1or 2c variations. ive tri...
Thanks for your comments Ian, it’s very much appreciated. Half the battle has been understanding and using the correct terms and acronyms, and realis...
not sure of the “where” bit of your question - the DT I mean is the temperature differential between Primary Flow and Primary Return. These temperatur...
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Floor standing brackets for K3 rads
My neighbour is a plumber and said I would need to fit ...
By Singlespeed , 15 minutes ago
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After an intense recode, I’m pleased to announce that w...
By Mars , 23 minutes ago
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RE: Heat pump installation quotations
@batpred, @sttpd1917 I agree with what @batpred says...
By JamesPa , 24 minutes ago
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RE: Harvest Thermal - ASHP with a smart thermal battery
As its using ToU tarrifs then its totally believable so...
By JamesPa , 2 hours ago
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Why do you want to maintain a specific deltaT? The out...
By JamesPa , 2 hours ago
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Hopefully this will answer your question. To...
By ASHP-BOBBA , 3 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 3 hours ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 4 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 5 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 8 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 9 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 9 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 13 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago



