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Last seen: Sep 17, 2026
I'm afraid I don't have the test equipment, nor the budget, to test the various Chinese MCBs, MCCBs, RCDs and surge-suppressors at full operating cond...
Zeeman is a Chinese manufacturer. Their website provides scant detail of their ANMH fuse range. It isn't even clear if the 'ANMH' name refers to the...
In which box? ... the Mason enclosure manufactured by Seplos? And do I assume we're discussing the 'size' in Amps, as opposed to millimeters? 🤔 I...
Is that question for me @jeff ? When researching the range of torques I was likely to require for installing LiFePO4 batteries it was clear that I n...
We need to think of this from the alternative viewpoint. If a short-circuit were to occur, a 16S (48v) LiFePO4 battery would supply about 20kA. It i...
I think we'd all be interested to hear how the build progresses @batalto. Please take photos as you go in case someone later asks a question which cou...
I think most people would identify with 'lack of capital' being a major hindrance. However, if your solar PV plans for the roof are implemented firs...
Those are lot more expensive than using 125A MCBs. An MCCB (Moulded Case Circuit Breaker) above 125A will cost you about £75 (incl VAT) from China an...
Even if you can't get the ASHP installed before winter @hughf why not take that house 'off-grid' too? You already have the experience to do so. If y...
I think most properties would struggle to maintain domestic heating in the absence of electricity from the grid ! 😲 I'm not sure that I've properl...
A high standing charge for gas has another consequence. A household which installs a Heat Pump will most likely also replace its gas cooker (or hob-ov...
I haven't yet looked at the efficiency of the Growatt SPF5000ES inverters @chickenbig David Poz has made some observations related to this subject i...
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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 , 11 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 13 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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