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Last seen: Nov 1, 2026
My solar inverter is so old Im considering it to be dumb, hence the two connection point options. This is where regulatory considerations (G98, 99, 1...
After a lot of discussion earlier on this thread, with much help from @batpred and @transparent, I have come to the diagram below as my 'strawman' arr...
I agree with you, the assumption that DHW cylinders must always be replaced needs to be questioned. The mantra dates from the days of low temperature...
Please accept my apologies that I had misunderstood your intent. Please do post any further questions/ask for any advice you need as your journey pro...
Thats a good reply, hence the need for a checklist in cases where you aren't doing the job which, given you have a limited geographical reach, is a su...
By all means keep these controls so that you can use them, but plan not to do so. Instead set them all to max, operate the heat pump 24x7, and adjust...
I was going to give a similar response. If there were a service checklist (as there is with cars) then it would demonstrate the value of the activity...
to keep the manufacturer warranty when your warranty comes to an end, will you continue serving your heat pump - no, but I will do a couple of opera...
Classic isn't it. I will remember in future to suggest this to people experiencing odd errors. Now I come to think of it a similar procedure was sug...
Minimum system volumes are normally enough to cover defrost, which is critical. However a larger system volume may improve performance when the heat ...
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Degrees of Separation
Latest Posts
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
I'd count air/air in with hybrid systems and in fact ev...
By EtchedPixels , 2 hours ago
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RE: Aerotherm and weather compensation
The principal cause of inefficiency if a heat pump is n...
By JamesPa , 3 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 4 hours ago
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 7 hours ago
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RE: Octopussy cosy 6 experience
@paultheheating 👍 even on bog standard rate ...
By Watcher , 8 hours ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 10 hours ago
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RE: Marvel Heating liquidation
Insolvency is brutal. I have experienced three, two as...
By JamesPa , 14 hours ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@etchedpixels Agreed, just a thought for others. I am...
By Watcher , 1 day ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 2 days ago
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Coming back on subject... A shortened version of the ...
By Transparent , 3 days ago
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RE: Say hello and introduce yourself
Perhaps it is time for an update on ‘our’ project. We h...
By Toodles , 3 days ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 5 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 5 days ago
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