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Last seen: Jun 5, 2026
The maths attached to a cost analysis of this approach sounds daunting. It seems to me that there are two variables that would need to be evaluated...
Thanks Gary. That is a new, and interesting bit of inside information that I am pleased to learn. I think this may be useful in balancing the radiator...
I am finding that this topic is becoming more complicated than I can handle. As I understand the Ecodan Hydrobox, it has a single pump with 5 speeds...
Derek M is correct in that the Ecodan has a 5 speed pump and this is currently set at max of 5. I was just hoping for a meaningful measure of performa...
By "taking the buffer tank out of circulation" I mean removing the secondary pump and using the buffer tank just as a volumiser
Thanks JamesPa - have only just picked this up. I have the contractor visiting who is primarily a solar installer but he added the DHW system and I ...
Thanks Derek M for the further update. I have approached the contractor that installed the DHW system (including the 3 way valve) and he will make the...
@derek-m You would be most welcome and 3 bedrooms available. I would consider it good value!
I am most grateful to both Derek M and JamesPa for their advice, and I would just like to confirm how the tank is used as a volumiser, only in the ret...
Hello JamesPa. The contractor I employed, seemed to know what he was doing (and I was desperately trying to escape from LPG at a time when the price w...
I have just received a quote for a variable speed secondary pump to replace the existing variable speed pump which had no PWM control supplied. Once f...
Really interested in this topic and I am having to change secondary pump to get variable speed. However, I can't see why we should be talking about re...
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Degrees of Separation
Latest Posts
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...and as if by magic... Here was me asking for a bit...
By Majordennisbloodnok , 27 seconds ago
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RE: Help me keep the faith with my air source heat pump installation
I didn't know about those, they look like good pieces o...
By JamesPa , 3 hours ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 3 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 3 hours ago
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My first question is why bother with the auto balancin...
By JamesPa , 4 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 4 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 4 hours ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 5 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 8 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 19 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 21 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
By Majordennisbloodnok , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago
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