
Last seen: Sep 14, 2025
That's a great photo @alan-m - for all sorts of reasons 🙂 We can see the flow & return stainless-steel flexible pipe run to the roof-top collec...
Possibly. But I'm not aware of a 'reservoir' which allows that to occur. The one I have simply holds the liquid which has been allowed to drain out ...
You are correct @derek-m A solar thermal system (which is pressurized of course) might contain water above 100degC. The 'proper' pipework has to be ...
Unlikely... because you've got a unit designed for the UK market. Heat pumps for the USA market usually incorporate a 4-port (2-way) valve which all...
There is a correlation between the width of the hysteresis you set on the controller and the curve it uses to define the pump speed. Most Solar Ther...
Can you please remind us of the layout of your cylinder? Is it a DHW cylinder or a thermal store?
Yes... I 'get it'.And I think you're heading in the right direction. Up until now, all heating and DHW control systems in the UK are operating on me...
Ah... but this site is in Cornwall. 😎 There are a number of good reasons why GSHP installations are proportionally higher in Kernow than on the eas...
I think he means forever and ever @saecula-saeculorum 😉
Hi @saecula-saeculorum and welcome to the forum. How far on is the barn conversion?Ie... is it too late to specify underfloor heating? What's the ...
I too have another question @z8lccda 🙂 I assume that your present PV panels are connected to the grid via an inverter with a G53 certificate (an a...
Understood. Electricity is often regarded as the "highest form" of energy from renewable sources. It retains the potential to be converted into so man...
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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 , 6 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 , 6 hours ago
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RE: Electricity price predictions
@diverted-energy sounds like good tariff for you. Octop...
By JulianC , 8 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 , 9 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 10 hours ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 11 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 , 13 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 , 14 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 , 15 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 , 16 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 1 day 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 , 2 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 , 3 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