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Last seen: Apr 3, 2026
@kev-m yes, that's exactly what I am looking for, I've searched around online but can't find this info.
@derek-m a Vaillant engineer came out today. We've reduced the speed of the UFH pumps and left the radiator pump on a faster setting. We think the byp...
@derek-m do you have a typical % heating/dwh usage for each month? Would be helpful to do some projected costs for the year based on Dec/Jan usage. Th...
@alec-morrow @mattengineer @mike-patrick @derek-m How appropriate are these types of valves on a ASHP heating system installation? I don't fully...
@mattengineer Interesting, I read the manual and there is a setting to basically tell the vrc 700 to ignore the internal temp from the unit. I guess t...
@derek-m thanks. This is starting to go beyond my technical capability so think I'll need to await the developers heating engineer to investigate, but...
@alec-morrow I wondered this too, a Vaillant rep suggested to me it normally comes down to cost (or value engineering as it is often referred).
@alex-morrow our UFH zones have a manually set mixer (currently set to 50c - so largely redundant), if these were set to 22c or somewhere in that regi...
Hi @derek-m, I made the school boy error of not noting down the Kwh usage before changing the settings. I took an energy consumption reading earlier t...
@mike-patrick thanks for the message - how might I check if this is the case?
@spdtdl just learnt how to tag! Sorry, meant to do so in reply with questions above.
Just quick message of thanks to everyone for their help so far. Cheers, it's appreciated.
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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 , 4 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 , 6 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 , 18 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



