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Last seen: May 14, 2026
Best done when its not sunny!
Ouch thats leaking quite a lot! it looks like its easily replaced by unscrewing the half inch nut about half way between the tank and the bottom of t...
I put some washing up liquid in when I clean mine, then rinse off with clean water. It takes quite a bit to clean them I find, the grime is well stuc...
@seoras OK Im not sure if this relates to your comment about Vaillant in the intro thread, perhaps you could advise. The brown gunge looks more ...
Why am I not surprised? This bit of 'heat pump installation' really is the construction industry, and I think we all know that there is a proportion...
Thanks @editor , @indevolt-uk Subject to any comments from @transparent I think we have made some great progress in understanding this issue. Regar...
@seoras Sorry to hear that. I found Vaillant very helpful. If, as @editor suggests, you would like to say something about your house, system and wha...
Thats arguably a sign of a good installer - they understand that weather compensation is all important and that it may need to be tweaked. There is ...
@profzarkov They arent obviously wrong, but the only way to determine the right temperatures is to adjust it (with all zones open, thermostats to m...
The DHW circuit cant be separated (well it could, you could use a plate heat exchanger, but why bother). There needs to be an air bleed at every loc...
I would just do this and turn up the stats. Otherwise you will need to work out what both are controlling and how to rewire. You also need to check ...
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Latest Posts
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RE: Estimating true heat loss from twelve months of consumption data
Hi @ian33a you could do your own heat loss calculation ...
By Judith , 7 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
@djh ah, I have never seen this before, interesting ide...
By ASHP-BOBBA , 7 hours ago
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RE: Anyone concerned about GivEnergy?
@sunnyskies I agree with Downfield trying to ask the GE...
By Judith , 8 hours ago
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RE: Setback savings - fact or fiction?
@jamespa — this version may be marginally better: &nb...
By cathodeRay , 10 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 10 hours ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 15 hours ago
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 17 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
By Broadsman , 19 hours ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 22 hours ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 22 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
That would be abnormal but I cant see from your charts ...
By JamesPa , 22 hours ago
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RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 1 day ago
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Heat geek have already stated that the pro is in fact c...
By JamesPa , 1 day ago
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RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
By Deltona , 1 day ago



