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Last seen: Apr 3, 2026
@colin Hi Colin, we've certainly reduced our Kwh usage for the hot water based on the settings. We now currently use between 3-4 Kwh per day to heat t...
Does that cycle use the immersion heater?
A couple of pictures, the first is the inside of the heat exchanger box. The polystyrene seems to insulate well and is a tight fit. The second ...
@colin my cylinder boost offset was 25k, so you know what this actually means?
@colin thank you, does your cylinder definitely hit the required temperature?
@colin hi Colin, any chance you can share your anti legionnela settings? System used 8kwh on this cycle last night and temperature is only reading 48 ...
Thanks, I was thinking of IWI on the entire room. The water to 46 deg and averages about 4kwh over the last few days. What are you doing with the exce...
@robl cheers, are you suggesting removing and putting IWI behind the heat exchanger box? Or just around it? Out of interest, where would source insu...
@robl thanks for the reply. Your assessment of A, B, C is spot on. The garage isn't completely uninsulated but the loft space insulation can definitel...
Thanks, we're in a new build so not planning on replacing showers just yet. How would you approach better insulating this setup? Is the fact the DHW t...
Thnks, I would be interested to know what settings you use. Assume it isn't on 'constant' and that it is set for a significant drop off in temp before...
Vaillant have made some recommendations on changes to the system, I'm not convinced they'll address the issue and it will be difficult to know until t...
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Degrees of Separation
Latest Posts
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RE: How quickly would you want/expect heat recovery to take from setback?
@jamespa I was thinking primarily of raising the flow t...
By AndrewJ , 3 hours ago
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He's down for a bit of maintenance... I'll restore him ...
By Mars , 5 hours ago
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RE: Why don't people choose heat pumps?
So a bunch of things rather than generate a load of rep...
By EtchedPixels , 5 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
That is a good approach and an excellent result. For co...
By Judith , 9 hours ago
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RE: Our 10 year old Grant heat pump failed
@editor @mike-patrick A 10 year old grant heat pump ...
By JamesPa , 12 hours ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
In principle I agree but for what? OP has drawn a sche...
By JamesPa , 14 hours ago
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RE: Say hello and introduce yourself
Good to see you here, @claytonbrowne, and welcome to th...
By Mars , 17 hours ago
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RE: Issues with Samsung heat pump – high running costs and house dropping to 11C overnight
It looks very much like a radiator balancing i...
By hml1827 , 1 day ago
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I have, @transparent, but chose to pose the question he...
By Majordennisbloodnok , 1 day ago
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RE: Should I change my cylinder when changing from a gas boiler to a heat pump.
@jamespa’s point about payback is a useful counterbalan...
By Mars , 2 days ago
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If it no longer works after forgetting its settings and...
By bobflux , 2 days ago
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 2 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 2 days ago
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