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Last seen: Jul 6, 2026
@papahuhu We had an MCS audit on our PV and ASHP. Inspector flagged up some lagging and label deficiencies. Some weeks later, an engineer from the ins...
Hi @expatingermany , This sounds very similar to my system where recently we had the 'secondary' pump electrically disconnected and the 'onboard' pu...
Well I've had an interesting few days and would like to share my cautionary tale. My system was installed in Sept 25 under an eco 4 grant. Sparce in...
Hi @jamespa , Thanks for the reply - cautionary tale re adjustment. AT curve centred around 35C as per last post. Late evening not quite enough comf...
Hi @jamespa Thanks for the reply. I have read through the info and posts again. I am ignoring the Honeywell at the moment. I have activated the AT...
hi @martinrobinson @jamespa @majordennisbloodnok @editor So the Honeywell is just a colourful, temp activated on/ off switch for the ASHP, NOT an A...
Hi @martinrobinson , these are a couple of charts for my system showing DHW, FT, RT and AT. I have also included temps off Honeywell Home - BDR91 wi...
sorry should have used quotes: 15/02/2026 10:55 pm @jamespa Hi, Thanks for the reply. I would appreciate some assistance please. ...
Happy birthday
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Degrees of Separation
Latest Posts
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
Well deserved! 👌 55°C to the rads is really h...
By bobflux , 1 hour ago
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Potentially a winner this idea if it can be made cheapl...
By JamesPa , 15 hours ago
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RE: Existing Solar Panel installation - structural roof calculation check
My own solar panel fixing rails wouldn't pass the MCS r...
By Transparent , 15 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
For the benefit of others who come across this discussi...
By Transparent , 21 hours ago
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RE: Vaillant Arotherm Pro vs new Plus
So with the dedicated Hager CU, flipping the big red bu...
By Batpred , 1 day ago
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Well I usually do it by feel, which is a slight problem...
By Transparent , 2 days ago
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@jeff I am well aware of the riskiness of such investme...
By Toodles , 2 days ago
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Fully understood and entirely reasonable! On the home ...
By JamesPa , 2 days ago
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RE: Electricity price predictions
So I am really having difficulty trying to work out wha...
By bontwoody , 2 days ago
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Ok Well almost certainly it could be used instead of ...
By JamesPa , 3 days ago
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RE: Samsung heat pump - data cable issue
Samsung reference it as "RS485 - COMM" in my manual. ...
By Old_Scientist , 3 days ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Looks beautifully integrated.. We had our done as wel...
By Batpred , 3 days ago
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RE: SolarEdge SE5000H Inverter Failure
Update. My SolarEdge inverter was replaced yesterday wi...
By L8Again , 3 days ago
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For cooling a whole building, or even a big room with l...
By EtchedPixels , 4 days ago
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RE: Comms and power cabling to outside unit
@old_scientist 100%, the cover is for warrantied unit...
By Papahuhu , 4 days ago
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