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Last seen: Sep 5, 2026
I had issues with similar temperature probes, the error can reach a few degrees, which matter in your case since the temps are pretty close. Best ac...
Yup. As an engineer, perhaps the most important part of my job is to put my foot in it. Toxic positivity is deadly. You have a situation that is, ...
Here in France fan coils are pretty rare for residential so when I contacted distributors they simply didn't want to talk to private individuals lol ...
I assume the Wilo pump in the photo is on the load side, not the heat pump side. In this case changing the settings on the Wilo will not influence t...
Every power conversion circuit has an optimum efficiency point. At low load, power required by the circuit itself becomes a significant part of the to...
Bullshit. Rubber hoses do let in some oxygen, but that oxygen will travel in the circuit to corrode iron somewhere else. Just because some O2 enters...
You can get an idea of what these shavings are: They're not rusty, so not steel. You can always try with a magnet. Crush it with some pliers to ch...
Yeah if you have acidic pH it's going to be bad. I'm baffled at the size of these metal flakes, they're huge! This doesn't look like the usual sludg...
What happened then? What do the lab results show?
Here's an excellent explanation. If you have non barrier PEX underfloor heating, it is the most likely culprit as it is permeable to oxygen. Th...
Nominal current is only 0.3A per phase, it's intended to protect public lights, not beefy enough for a heat pump.
Yeah This may be expensive to fix (or maybe not) you should check your installer contract, see what kind of leverage and/or guarantees you find in t...
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Degrees of Separation
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 , 4 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 , 9 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 , 15 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
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