Last seen: Nov 7, 2025
There are a number sticking points with devising tariffs, any of which could suddenly be resolved. The buy-in (wholesale price) paid by Suppliers ...
Like this: That photo shows two double-pole changeover trips in my off-grid consumer unit.The left one is rated 16A (C-curve) and allows my centra...
Well, I have more than a pair of Growatt SPF-series inverters.And there's some bits you don't get to see in the photos I post online! The SPF range ...
That diagram is a good start @longbyre. We do at least now know that we're expecting mains cables to UFH pump(s) and Heating Controllers 2-core w...
@derek-m has a reputation on this forum for tracking down manuals 😎 As for commissioning, are we correct in assuming that the ASHP external heat-pu...
Apologies... I too should always add the relevant photos! These are showing two different layout solutions for the same situation. Both use copper...
There are number of points to made here.I'm explaining in greater detail than you might need because others will come across this later. The two...
@longbyre Was this equipment bought from ESP with any form of government/MCS grant involved? This is important because the grant assistance isn'...
Any chunk of copper bar would achieve that specification! 😉 I usually look out for grade C101, which is 99.9% pure and used commercially for its h...
@misterb if your chosen electrician has fitted the equipment with approval from your DNO, then you should have received a copy of the letter which gav...
I think that's the correct conclusion. An MCB/MCCB is designed to trip at currents which are around 2x its rating. To provide protection for a sho...
As @chickenbig has replied in text, may I also do the same, but in graphics... Here is the twisted-pair configuration we're discussing, which is the...
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RE: My DIY Heat Pump installation
Well you certainly are a brave polar bear! A few co...
By GrahamF , 15 minutes ago
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RE: Finding a Thermostatic Shower Valve That Works with Heat Pump Systems
And as best I can tell from the Sunamp details, the max...
By Toodles , 20 minutes ago
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RE: When to use Octopus Intelligent Go tariff with my heat pump and battery
@treewizard Yes, I like the extra facilities that NetZe...
By Toodles , 3 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk downstairs rads are less prone to airlocks, you ...
By AgentGeorge , 4 hours ago
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RE: My Octopus Cosy 6 Heat Pump Journey: From Quote to Completion
@editor thanks for highlighting my name. Yes I did get ...
By Chansug , 13 hours ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
I don’t know if Aira did stop their 15 year guarantee b...
By Mars , 14 hours ago
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RE: Is Your House Warmer Upstairs Than Downstairs?
@benson We have 10 radiators fitted with TRV’s only two...
By Toodles , 19 hours ago
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RE: balancing radiators with a mixture of different size pipework and a few undersize rads.
@editor Thanks for your input Mars. No I think the comm...
By baxtDave , 19 hours ago
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RE: Rate the quality of your heat pump design and installation
We’re looking to expand our list of recommended list of...
By Mars , 19 hours ago
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RE: Oil Boiler & Heat Pump Hybrid System
Thank you for those that replied, am disappointed that ...
By paultheheating , 23 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@transparent Along with the right workers, they can’t b...
By Toodles , 1 day ago
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RE: Midea ASHP – how to set weather compensation
I have just looked at my heat pump 'long interval' (27 ...
By cathodeRay , 1 day ago
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RE: UFH downstairs and radiators upstairs balancing question
@toodles sorry, my bad. Its a 6 port LLH. ...
By davidnolan22 , 1 day ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
Hello. The Ecodan pump worked well last season, but thi...
By meehow , 2 days ago
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RE: Jokes and fun posts about heat pumps and renewables
Did @mark-hall really just say that?! 🤯 He drop...
By Mars , 2 days ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
Oh completely, he even said without the hydrau...
By Crimson , 2 days ago
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We privatised electricity (back in the 80s I think) so ...
By JamesPa , 2 days ago
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RE: Electricity price predictions
So he must have a good team helping him in this.. ...
By Batpred , 2 days ago
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RE: Who has a V2G EV installation
Would that be a Chint RCD perhaps? Have a look at thi...
By Transparent , 2 days ago


