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Last seen: Sep 17, 2026
I'm now looking at this from the opposite viewpoint... using ELV unless there is a reason not to do so. The current objective is to create a system ...
I think that would be lacking in adventure 🙂 Here's an overview of the intended 48v wiring to the existing ELV wiring positions. And here's the...
Lots of questions arise from those points @jeff Since there are few 'Standards' let me start by addressing the issue of which voltage to use. Twent...
The feedback you are providing here is vital if 'we' are going to better use energy resources. Every time that you (and others here) pick me up on a c...
Yes, it's a good many years since I've worked with PLCs, and the technology has indeed got a great deal more sophisticated. But I think the crucial ...
The control system under investigation/development is to receive data inputs which require a lot more software than just a PLC can offer. These includ...
I've re-jigged the colours/labels on the diagram I posted on the previous page earlier today. Does this make things clearer? The inverter in the...
@chickenbig - my storage battery configurations are under perpetual development, which means that the connections are being changed weekly. I'm attemp...
Yes, please do query. This is a very important point! I alluded to the mechanism I use to prevent grid-export higher up this thread, but it warrants...
Let me address the point made by @batalto first... Exactly. You've hit the nail on the head. What you need is a double-pole switch to divert one...
That link seems to be data from autumn '21 @prjohn Have you seen any costs of electricity by region since the April increase?
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Degrees of Separation
Latest Posts
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RE: Heat Pump deployment statistics: June 2026
To my eyes, sat behind all of this is a basic policy ma...
By Temperature_Gradient , 7 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 11 hours ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 12 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 14 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Have you looked at the Nibe website? They list their ap...
By Lizzie , 15 hours ago
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RE: Why are ASHP installs so expensive?
A not unreasonable position and it wouldn’t be mandator...
By AndrewJ , 15 hours ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 2 days ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 3 days ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 3 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 3 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 3 days ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 3 days ago
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