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Last seen: Nov 1, 2026
How is the figure measured, specifically is it a measure of it passive infiltration or an artificial measure with a pressure that is greater than woul...
Noted and dilemma understood. A volumiser may not be needed but it wont do any harm if its plumbed correctly. As it is, its a 2 port buffer and may ...
The sad fact is that you have to check everything some installers and maintainers do, or alternatively hover over them whilst they do their work. In...
@razz You should perhaps take a look at and interrogate this A Cosy owner who has solved excess noise problems with some very simple DiY case mods.
You are lucky they have used 0.5, many surveys use 2-3. With a very low loss home air changes (unless you have MVHR) are going to dominate, they are ...
Welcome to the forum and please feel free to ask any question you wish. Here is my starter for 10 focussing on the ASHP 12kW s...
Since you ask what others think, I think he is very probably talking rubbish and doesn't understand how ASHPs, or indeed weather compensation, works. ...
In the diagram the volumiser is shown as being between flow and return thus acting as a short circuit for the water flow. This is wrong, it should ei...
This is done through the survey. Basically they measure each room, check the construction, and from that you can calculate the loss. You then check ...
Im sure you dont need me to tell you not to let him off the hook until WC is working without him playing in the background!
The main thing with flow is that it must be sufficient, which is basically dependent on the original plumbing and the state of the filters. Cleaning ...
sorry but thats just nonsense. A volumiser can go in flow or return. Flow is arguably better but return is nearly as good and in either case it func...
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Latest Posts
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
I'd count air/air in with hybrid systems and in fact ev...
By EtchedPixels , 2 minutes ago
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No problem with that, its sensible use of hydrogen. Yo...
By JamesPa , 1 hour ago
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RE: Aerotherm and weather compensation
The principal cause of inefficiency if a heat pump is n...
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RE: Solar Power Output – Let’s Compare Generation Figures
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RE: DIY powerflushing tutorial
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RE: 15kw pump for 225m2 1990's house - over kill?
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RE: Marvel Heating liquidation
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@etchedpixels Agreed, just a thought for others. I am...
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
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Coming back on subject... A shortened version of the ...
By Transparent , 2 days ago
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RE: Say hello and introduce yourself
Perhaps it is time for an update on ‘our’ project. We h...
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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...
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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 ...
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