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Last seen: Sep 4, 2026
It took me a while to get my head round how it works - at least, how I think it works. The default drop in temperature from the set DHW temperature ...
The five most terrifying words in the English language: leave it to the professionals. Edited to correct typo...
That looks fine. You have two periods when DHW heating will come on and take priority over space heating provided the actual DHW has fallen enough to ...
Ho hum. It is certainly set to time the heating as shown in the photo, and if he set it up and you haven't touched it since... What you need to do i...
@anca1808 - if you haven't already done so, have a look at this ABC Guide to Heat Pumps, written by yours truly. I am also a doctor, now retired, and ...
It's not obvious. It is near where you set the date. Go to MENU > SERVICE INFORMATION > DISPLAY and you should find TIME there...
That's the way to go. Over time you will get closer and closer to the ideal setting for your home. Don't be thrown by days when external factors like ...
Good news, well done! it is indeed very important to average costs over a season. Heat pump running costs are disproportionately high in cold weathe...
@jamespa is really the expert because he has actually fitted and used them, but I found a Mitsubishi I-life Slim 170 Fan Assisted Radiator fan coil wi...
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Degrees of Separation
Latest Posts
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Where heat loss surveys seem to go against practical reality
We have a reasonably large, old house, improved signifi...
By ian33a , 28 minutes ago
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RE: Vaillant Arotherm – Using Heating
Batpred I have the Vaillant Arotherm Plus, installed ...
By trebor12345 , 48 minutes ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 2 hours ago
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RE: Surface mount or bury primaries for heat pump installation?
It's all in and running!
By tomasmcguinness , 2 hours ago
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It’s been out a few days and Amazon has already attache...
By Mars , 3 hours ago
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RE: 7kW EV Charger Options Advice
Not much to add to Majors comments. Personally, the dis...
By Batpred , 6 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 7 hours ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 11 hours ago
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RE: Being screwed over by Volkswagen Audi Group
No worries, I can't really argue with your logic and I ...
By Old_Scientist , 1 day ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
Flow rate is set by pressure created by the circulator ...
By bobflux , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 2 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 3 days ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@kilgorexv definitely a larger inverter will help and m...
By AndrewJ , 5 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 5 days ago
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