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Last seen: Oct 25, 2026
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...
@ronin92 - I do have a multi-meter with a thermometer scale using a thermocouple to take the readings. Putting that inside the insulation foam pipe wr...
@ronin92 - these temps are not easy to measure accurately. The clip on thermometers are typically +/- 5 degrees so not discriminating enough. I use a ...
@derek-m - Thank you for the detailed explanation of the principles behind how a PHE works. That is indeed my understanding of the principles, though ...
@derek-m - yes, we did, but didn't get to the bottom of it, largely because there weren't cold enough ambients to test the system. @kev-m - I agree ...
@kev-m - that's interesting, and makes sense, and fits with what I observed about the power reading in the Midea controller, around 5kW when it was on...
@editor - useful images. Using my rather more basic IR thermometer I continue to have a roughly 5 degree difference between the top and bottom of most...
My flow temp is 34 deg now and my kitchen rad is definitely cooler on the bottom (with my uncalibrated but able to register differences quite well, ha...
@editor - these stats are always fascinating. Or perhaps I should get out more often. A couple of quotes: "Since applications for grants opened for ...
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@editor Ouch, sorry to re start the tick. I had assume...
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RE: Double or Triple Glazed Windows?
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@transparent we’re still running a secure version of PH...
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