Last seen: Sep 15, 2025
It is on the return side, pushing water into the PHE, via the filter (black cylinder) you can see in the earlier photo. Will do the PHE measurement ...
Yes, and they are (I've just double checked).
That's very good of you (sending the email). I haven't removed the foam insulation because as you can see in the photo, it is tightly wedged in place....
Not yet, it is going to be a last resort as it will mean moving furniture and taking up carpets and floorboards. That makes sense, and is a less d...
I have been giving some thought to how to test for an invisible bypass and have come up with the following: close all rad lockshield valves except two...
@derek-m - the secondary water pump was rotated 180 to put it back in the correct orientation, the plumber had left it reversed (he thought it might i...
Yes, I find that analogy works for me too, though I add fuel burnt: Think mph is kW, whilst miles travelled and fuel burnt is kWh. I find it furth...
@derek-m - yes, we have to stick with physics (Newtonian, not quantum) and the real world observations and data, and not forget the Holmesian dictum t...
Coming back to the calculations, this may well be the case. If we assume the heat loss is linear, ranging from 12.3kW at -2 ambient, and dropping to z...
Yes! But I'll come back to that if I may. Answers to the questions in your next and post: Continuously, as long as the room stat is calling for he...
@derek-m - I will have another close look. The only other connection to the rad circuit is the connection to pressurise it (it is a closed system) and...
@derek-m - thanks, that would be very welcome, and I am sure others will welcome it too. All the rads have TRVs and they are all definitely open (th...
Latest Posts
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RE: Testing new controls/monitoring for Midea Clone ASHP
In a way I would like to agree with the final conclusio...
By JamesPa , 54 minutes ago
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That was Daikins answer to every single question I aske...
By JamesPa , 1 hour ago
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RE: Big Changes Coming to Our Heat Pump System
Day one is done. The system’s been fully flushed and ...
By Mars , 2 hours ago
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 4 hours ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 4 hours ago
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So after asking the technical department for an update ...
By bontwoody , 4 hours ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 5 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 8 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 1 day ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 1 day ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I hear you on the locality issue @transparent, and I ag...
By Scalextrix , 1 day ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 1 day ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 3 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 3 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 4 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 4 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 4 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 4 days ago
