
Last seen: May 9, 2025
Wow! Please slow down @jamespa and @bontwoody - You're opening far too many issues at once! I can provide the technical background, together with ty...
News Flash. On another topic a few months ago, I was asked why I use such a mix of MCB trips from different manufacturers: And here's the answer...
I need a few hours to consider what you've just posted @korwraithand what EDF mean when they write "the change has only just been made" I should let...
The anti-vibration mounts being referred to on a checklist could be heavy rubber 'feet' beneath the outside unit.Building Regs Part-L puts the onus on...
By all means, keep musing away!Adding a second Huawei Luna is more expensive in terms of £s per kWh. I was never able to provide an adequate ans...
Hmm; well that's a fairly consistent approach. The installers seem to have screwed both the lockshieldsand their customer ...
Yes. But when using batteries in parallel, you usually try to have them of the same capacity.The Huawei Luna battery is much smaller than any which yo...
The SunSynk 5kW unit gives you more kW per £ than the 3.6kW you linked to. I was suggesting a DIY wind-turbine rather than off-the-shelf.If you have...
No. You need two inverters to incorporate the 2.66kW array.Each inverter will have two MPPT inputs. That still gives you one 'spare' input for renew...
Ah yes. I'd forgotten the East/West split.So you will require two MPPT inputs for that arrangement. The Huawei Luna 2000 has a particularly low mini...
Yes.... hence my comments about theft-prevention on p.1 of this topic! Having longer hose connections also makes it slightly easier to maneuver a tr...
Now we're in the realm of circulatory systems and buffer tanks, I need to pass the baton to those who better understand the principles. Have a look ...
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Latest Posts
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
@editor it’s a defrost buffer, it uses an Esbe 4 way ...
By Damon Blakemore , 58 minutes ago
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RE: Rate the quality of your heat pump design and installation
@davesoa very good to know... I'll convey this to Clayt...
By Mars , 3 hours ago
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RE: IVT Greenline high pressure switch and electrical cassette errors
OK, so when the HP comes on it becomes obvious.It's on ...
By tdudgeon , 7 hours ago
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RE: Is Your 6kW Air Source Heat Pump Really a 6kW?
@johnmo I think we’ve been trudging through the same...
By SUNandAIR , 7 hours ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide
Good luck, I hope it all works out!
By JamesPa , 1 day ago
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@johnd it's a difficult one, because we've seen instanc...
By Mars , 1 day ago
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RE: Is your heat pump insured?
@johnmo sorry it comes across like that. The post is au...
By KevinPotts , 1 day ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@johnmo Perhaps a little detail might explain my reason...
By Toodles , 2 days ago
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Win a 6-panel PV courtesy of egg and Renewable Heating Hub
Our epic giveaway just went live! Want to win a 6-pan...
By Mars , 2 days ago
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RE: Yes, the "zoning with ASHP" topic again...
James, thanks again for your thoughtful and persistent ...
By HarryRea , 2 days ago
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RE: Is this normal? Click of the DHW returning to space heating
So the Lone Ranger returned today! Even though we thoro...
By Grantmethestrength , 2 days ago
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RE: Vaillant & OVO partner up to offer Heat Pump Plus
Hopefully iv done the right thing today by signing up t...
By Westkent , 2 days ago
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RE: Battery sizing - How low can you go!
My own experience with connecting four batteries to thr...
By Transparent , 3 days ago
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RE: Plate heat exchanger considerations
Work on 2-3 percent per degree. This is a reasonable e...
By JamesPa , 3 days ago
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RE: Advice for ground source heat pump in new build with PV and batteries
The useful bit is the bit that specifies the heat loss ...
By JamesPa , 3 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
You’re absolutely right that during defrost the refrige...
By Mars , 3 days ago
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@editor thanks Mars that’s the same table I found in th...
By Gary , 3 days ago
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RE: Tariff and charging strategy advice please
They haven't asked me to prove that I have an EV (I do)...
By JamesPa , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Took a while to find on the OFGEN site: ”The FIT sche...
By AgentGeorge , 4 days ago