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Last seen: Sep 18, 2026
I have added to this post the inside of the CU that Batpred has referenced above (it might be of help): From my side I am still working with my ...
Sorry if I have confused things. Here's a summary which I hope will help: Vaillant require this breaker: The installer is saying that the new b...
Batpred I have limited knowledge of electrics, but I believe you are saying its not a good idea to fit RCBO's of a different manufacturer in the same ...
It would appear that the installer has sent me an out of date spec document on the Vaillant heat pump. It now appears that I require a type B. T...
This looks OK, am I right?
I am currently at 37% RH and it's been at that level for most of the winter season. I believe it comes from the underfloor heating being on 24/7. M...
Is there any technical improvements/design changes in the Vaillant aroTherm?
You are correct no BUS. Are you saying that the MCS certification is only an issue if there was a BUS?
JamesPa So the risk of MCS picking this up is small, which is good to hear. The prime contractor has a good track record, so I am I little surprised...
I moved to a new build 18 months ago with a 2 year warranty period. The builder has completely ignored any requests for remedial action. Oversize...
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Degrees of Separation
Latest Posts
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@mrkfm Personal recommendations go a long way in helpin...
By L8Again , 5 minutes ago
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 10 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Posted by: @ian-s Could always use the money saved o...
By Rob of York , 14 hours ago
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RE: Why are ASHP installs so expensive?
And then you look at US electricity prices and weep.
By bornagain , 17 hours ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 21 hours ago
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 1 day ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
I have one of these fitted which also allows you to reg...
By Old_Scientist , 2 days ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 3 days ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 3 days ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 3 days ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 3 days ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 3 days ago
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RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 4 days ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 4 days ago


