Last seen: Apr 26, 2025
Yes, I meant dT25 as flow temp of 45, room temp of 20 degrees. I appreciate that I've been trying to run at a lower flow temp than that, it was just t...
It's the PUZ-WM60, R32 model. I have 10 radiators. I did add up all the radiators, corrected for deltaT 25, and it was very close to the desig...
OK, removing all the smart TRVs, opening the wheels fully, opening all the lockshields, and making sure the Evohome controller stays on all the time h...
That does seem to fit with what is happening - the peak flow temp gets to one and a bit degrees above what I'd expect it to from looking at the WC gra...
LLH is something the make up themselves apparently. Basically a length of 32mm copper, about a metre long. I make that about 0.8 litre? Both pum...
First pic is the power pulled by the ASHP, pumps, valves, and controller. Second shows the temps using "bullet) sensors wedged onto the pipework und...
Latest Posts
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RE: Help me keep the faith with my air source heat pump installation
@jamespa Hi James, I missed one essential thing with al...
By ASHP-BOBBA , 9 minutes ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
@topher you’re more than welcome to, yes. I’ll send you...
By Mars , 13 hours ago
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RE: Fitting new shower valve ..........
I’ve never taken a chance when fiddling and changing ou...
By Mars , 13 hours ago
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You should contact the council and report the unsatisfa...
By JamesPa , 17 hours ago
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RE: Benefits of an extra horizontal loop for GSHP
I would deffo install an additional slinky run, especia...
By Transparent , 1 day ago
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RE: Say hello and introduce yourself
@editor fab - thanks Mars, and keep up the great work o...
By normpang , 1 day ago
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RE: Compressor and Evaporator Stratification
@trebor12345 So I think the 1st zigzag section shows so...
By ASHP-BOBBA , 2 days ago
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RE: Is this just haze or something more?
@majordennisbloodnok I was giving a talk to primary sch...
By Toodles , 2 days ago
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RE: Tesla Powerwall – More of a ‘Luxury’ Than an ROI Winner!
We had our Tesla Powerwall 3 (and Gateway) installed ea...
By Old_Scientist , 2 days ago
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Indeed. With a battery its presumably the battery con...
By JamesPa , 2 days ago
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RE: No-code, plug-and-play monitoring for your heat pump
To update an ESP device using ESPHome in Home Assistant...
By Grantmethestrength , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
Said I would pop back with a update. Only Mr Jesus h...
By Burtis , 6 days ago
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RE: Buffers, hot water and cooling
Thats presumably heat pump DT, what about radiator DT a...
By JamesPa , 6 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Exactly the same here. We now have 13.5kWh ...
By Old_Scientist , 6 days ago
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RE: Wood burner with ASHP - direct air?
This depends on the size of your wood burner and size/t...
By Lucia , 7 days ago
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RE: Difficult positioning of air source heat pump
@rikiarn It's a not a buffer it's a volumiser which is ...
By Lucia , 7 days ago
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RE: Is your heat pump insured?
To make things clear, lots of insurance companies cover...
By Lucia , 7 days ago
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RE: Boxt Heat Pump Installation Experience
@adrian any updates since installation? How is it perfo...
By Ashfp , 7 days ago
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@seatonian got your email. Will connect you with a reco...
By Mars , 1 week ago
