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Last seen: Oct 28, 2026
PLC (programmable logic controller) not online suggests either a failed circuit board or simply a failed connection. Is the cable connecting the ODU ...
In addition to what I posted about A2A I would also agree with the above assessment although we have radiators. I have one fancoil only and it does ...
I think thats a fair summary. I would add that for a house with many rooms they can work out expensive, particularly if that house already has a ...
I think the logic of this is that the flow sensor would normally be located almost adjacent to the unit (most manufacturers include it within the unit...
'hard limited' could be in 'admin' password protected software, accessible only by the manufacturer, firmware, a set of DIP switches, or the value of ...
Great. Once you have please can you start a new thread to discuss. Its clear that people are struggling to understand the requirements of various b...
@mars my understanding is that it was the radiator manufacturer that suggested large bore valves not the installer
Having re-read your post 3 times I now understand what you are saying (I think). We don't actually disagree, because I don't have an opinion on the m...
I can't see why you would provided the disconnect on grid failure works and, when operating off grid, the unit has whatever built in protection ups de...
Normal valves on mine no problem. You will likely end up restricting quite a few on the lsvs to balance anyway. Recommend to ignore. Btw you do...
I confess to guilt. I have been trying for a couple of years to make the business case for a home battery work. I can't at current pricing. Plug i...
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Latest Posts
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
That is not the case. The heating curve adjustment set...
By JamesPa , 3 hours ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 6 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 8 hours ago
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RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 20 hours ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 20 hours ago
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RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 1 day ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders can I just add to @rob-of-york s comm...
By JamesPa , 1 day ago
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RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 1 day ago
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RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 1 day ago
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Good to hear that you found a solution. Absolutely a...
By Batpred , 1 day 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 , 2 days 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 , 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 , 5 days ago


