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Last seen: Aug 8, 2026
I think @ashp-bobba was referring to a possible airlock in the DHW circuit, near the DHW tank itself. As this is usually a high point in the DHW circ...
Welcome to the forums, you are asking the right questions. I had exactly the same experience, 2x+ oversizing (16kW 'surveyed' vs 7kW measured). The...
For most pumps yes, there are pumps that work the other way round so PWM off = 0%. This means that for most pumps removing the PWM cable forces it t...
@batpred I cant see how this risk relates to something that is different in German wiring practice than in the UK, unless German wiring practice has a...
I wonder what the import rates are going to do after March when the levies shift. The only information at present seems to be the of quoted 'average ...
Hi Im not a Grant expert but the Grant R32 manual says the following - it this the error? I wonder how it detects this error. ...
Good to hear that progress is being made! From what you and others say Octopus seem to recognise that there are issues with the Cosy 12 and working o...
@giganto Thanks for posting the photos which are very useful. You are asking the right questions! Without knowing exactly how the Honeywell is w...
FWIW the way the SoC of the (lead acid) leisure batteries on my narrowboat is determined (by a meter fitted for the purpose) is as follows: A low ...
@batpred @majordennisbloodnok I think all three of us are broadly saying the same thing, albeit with slightly different emphases, namely: ...
@martinrobinson Exactly that, well put, much better than my long description!
I wouldn't disagree - put another way - tell the industry its going to happen and challenge them to deal with it. I would however also set a deadline...
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Latest Posts
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HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
This is something I’ve been building for months, largel...
By Mars , 7 hours ago
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Does minimum system volume matter in the context of sim...
By Tony.Stolz , 10 hours ago
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RE: Electricity price predictions
yes, same with the IOG tariff which is even a bit harde...
By Batpred , 10 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
I had a quick look and they are a little vague. They ...
By BlizzardGreen , 12 hours ago
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RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 20 hours ago
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RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 1 day ago
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RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 1 day ago
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 2 days ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
One of the other mods has just reminded me that @ashp-b...
By Majordennisbloodnok , 2 days ago
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RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 4 days ago
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