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Last seen: Aug 16, 2026
@jamespa I chose Octopus as they will be in business far longer than any individual company, their heat pump uses R290, which is supposed to be state ...
Section 7 states the Cosy 6 is 5.63kW and can achieve COP of 4.29
reading section 3.6.1A and B the instructions have an error in the description of the MCB and RCBO for the cosy6, and the Immersion/hub The labels...
@jamespa just read the manual you linked to. very interesting section 3.3.2 restrictive requirements if microbore present. None of this was advised to...
@jamespa I have cosy6 and UFH, the maximum flow winter temp is set at 50 on mine, checking the UFH manifold stats today showed a steady input of 37, r...
How do those on low income afford to replace their gas boiler at around £2500-3000; that’s what I was quoted to replace my troublesome uninsurable 16y...
With every change there will be winners and losers, think of all the pensioners who are paying the subsidy on there electric bill to pay for those who...
@swwils what tool are you using to monitor the bus
@pwils on the cosy hub, there’s a button on the top, press and hold it for several seconds, the cosy white light will flash blue and you can link your...
@andrewj I hope members enjoyed reading my tale of the challenge to get what I wanted and not what the installer tried to convince me was a finishe...
@andrewj when I referred to the HP running constantly, I didn’t mean the pump was running 24h a day, I meant the system was on 24/7, with no setbacks ...
I’ve just got the link for this thread from @editor, here’s my experience with the cosy6. firstly it’s not 6kW, only 5.6kW. That nearly sank my inst...
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 3 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 8 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 13 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day 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 , 2 days 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 , 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 , 4 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 , 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 , 6 days ago



