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Last seen: Jul 7, 2026
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...
Recent daily electricity bills in kWh.
What the hell. There is exactly one reason to use a heat exchanger on the main circuit: when fluids on both sides are different, for example: - He...
Ecodan speaks a proprietary protocol on its connector "CN105". It's been reverse engineered and it is possible to use an ESP32 as an interface to Home...
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Degrees of Separation
Latest Posts
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RE: Electricity price predictions
Chinese manufacturing has the ability to be very good q...
By Majordennisbloodnok , 4 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: GotGordon Manufacturer: Samsun...
By Gotgordon , 15 hours ago
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RE: Summer heat is becoming the new winter cold in the UK. What are you doing about it?
@ian33a I am not easy with sleep either unfortunately…....
By MK4 , 16 hours ago
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RE: Renewables uptake near you
In a village of under 40 houses...Conservation Area. I'...
By Tim441 , 1 day ago
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RE: Home Alone with Home Assistant (previously A Beginner's Guide to ASHP Monitoring)
Great news, @bontwoody.
By Majordennisbloodnok , 1 day ago
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Haier R290 Super Aqua Monobloc. Output capacity tables.
As I mentioned in my introduction post, I've been consi...
By Singlespeed , 1 day ago
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RE: Air to air bus grant installer anywhere
I am consistently told by aircon folks (ie air/air) tha...
By EtchedPixels , 2 days ago
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RE: What is possible with FIT, SEG, Hate Pumps and Batteries?
Thank you, everyone, for your replies. Our FIT provid...
By ian33a , 2 days ago
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@mk4 And of course, the panels are less productive due ...
By Toodles , 2 days ago
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RE: GivEnergy inverter tripping due to over-voltage?
I'm trying to get clarity on exactly when the inverter ...
By Tim441 , 2 days ago
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RE: Samsung Heat Pump – Can't Activate TW2 Pipe Sensor (for Delta T Control)
Autocorrupt seems to be working overtime.
By Majordennisbloodnok , 2 days ago
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RE: Vehicle-to-Home with a Heat Pump: Is the Technology Ready and Which EV Should I Buy?
I looked into that wallbox a bit more off the back of t...
By Majordennisbloodnok , 3 days ago
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RE: Say hello and introduce yourself
@jandp awesome system I hope it works out well.
By Judith , 3 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@bobflux That's the stuff. The installer recommended tw...
By tomasmcguinness , 5 days ago
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