Last seen: Jul 23, 2025
@abernyte - you really can’t be too careful.... alas there is possibly another complication in the evidence..... @davidnolan22 has a Low Loss Header f...
That’s a really good question. Ive been trying to find a clearer explanation of what specifically is the purpose or effect of increased volume in the ...
@editor I have been persuaded by the argument that you have been stating that the correct placement for the volumiser should indeed be on the flow sid...
@cathoderay I see you are continuing to misquote from the thread below. What you are repeatedly failing to see is that my thread is about making ...
@cathoderay Im just not sure what you are trying to find out beyond what already is showing as realistic savings. Also I do disagree with a statement ...
I thought we’ve been here…. It’s fact isn’t it?
I ought to make a correction - I said it shuts down when it passes the set temp. What I meant to say it modulates as it reaches the set temp. And as @...
I think your current room temp chart confirms that you need to be much higher than 30c flow temp. It is reaching your target room temp. And as is ofte...
@westkent it’s defrosting when the flow temp line (in blue) drops below the return temp line. (In black) The flow temp rapidly drops because the de...
@westkent hi i can see now that at zero OAT these charts are showing defrosting. There seems to be a consistent deltaT. Does you house get up to the...
Was this chart taken when the house was cold? I think it would help others to interpret this if you can give OAT outside ambient temperature and insi...
From an experience point of view I have been watching our fixed flow rate Ecodan operate for a few years now and have seen how versatile its modulatio...
Latest Posts
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RE: Heat Pump Damage on install - useable or dealbreaker?
They have already been dishonest by not telling you abo...
By GrahamF , 8 hours ago
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Testing new controls/monitoring for Midea Clone ASHP
Hi all, I thought it might be of interest to others i...
By benson , 8 hours ago
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RE: Electricity price predictions
@diverted-energy sounds like good tariff for you. Octop...
By JulianC , 9 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
In the last week, the external temperature in south Man...
By GrahamF , 11 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 12 hours ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 12 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I hear you on the locality issue @transparent, and I ag...
By Scalextrix , 14 hours ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 15 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump Referring to the problem of rooms with diff...
By Tasos , 16 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 17 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 2 days ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 2 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 3 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 3 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 4 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 4 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 4 days ago
