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Last seen: Jun 27, 2025
@parmstar that’s the room temperature. I need to know what flow temperature they designed for. This is the temperature of the water that flows round t...
Any idea what design temperature they went for? That’ll help us determine if the rads are the correct size for the rooms and will help us choose what ...
@mike-patrick Mike, those figures aren't from my install, they are from the DIY install done by Glyn Hudson, who is a software developer on the Open E...
are you a tenant? If not, it’s your system, you can do with it what you please.
There is a wealth of LG Therma V chitchat on buildhub
@myanthony Get on the phone to warmflow, ask them how you can access the weather compensation menu as your unit doesn't match the manuals.
@mike-patrick You've got a Grant Aerona 10, the chances are it will be installed indirectly with a LLH and all the associated inefficiencies that come...
@myanthony Sorry, my mistake. The weather compensation is accessed from within the password protected engineer menu, page 22 - the password is '0022' ...
A chinese copy of the Celeffi anti-freeze valve, £19, screwed into a 28mm press T. All the anti-freeze protection you need, without a drop of glycol.
Short cycles would typically be defined as cycles that are less than 20 mins in operation (imho)... A defrost cycle once per hour in these temps seems...
Do you have a settings icon, bottom right of the home screen? EDIT: The temperature graph is encouraging, it shows the defrost cycles aren't too bad...
@oswiu I assume that 31,000kWh was the total CH+DHW demand for the year. At a SCOP of 3.5, that would be 8857kWh of Electricity to run the ASHP. A s...
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@rob-of-york welcome to the forums. Solid numbers. A...
By Mars , 11 minutes ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 24 minutes ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
Any idea how efficient your gas boiler is? Is it a 50 y...
By Old_Scientist , 5 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 17 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 1 day ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 6 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 6 days ago


