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Last seen: Jul 6, 2026
Watts Microflex Duo, intended for burial, about 45€/m, with 2x 26/32mm Barrier PEX. It is quite stiff and difficult to manoeuver but it does the job...
The drawing is fine and perfectly understandable except "NRV" which has the symbol of a pump but I guess "NRV" means "Non return valve" or "Check valv...
If flow is too low, the heat pump will probably throw a fault. High flow is not a problem for the heat pump, it'll work fine. Higher flow gives lowe...
Oh my, bureaucracy at its finest! Does that imply that the reason why both my PV inverters and heat pump have a 8 pin connector with extremely basic...
In fact inverters with a bit of local energy storage could also do that, if programmed accordingly. Sadly it doesn't seem the current hardware is prog...
I think we're still going to try hydrogen for residential heating on a small scale, then walk it back after a few buildings get launched into low eart...
Hmm I should have explained it better... Problem with these devices: they have only one pipe. Thus they suck in already conditioned air out of the r...
You guys have it easy It's engineering: calories in, calories out. What I had: stone house, built 1732, 50cm thick walls, estimated thermal mass...
I'd say it's up to you to decide between these two behaviors: * Manual balancing valves * For example Caleffi 132 which has a manual valve and flo...
Same here lol The fact the house had been heated for 40 years by a 12kW ground source heat pump could provide a bit of a hint about the actual heat ...
UFH manifolds are horribly expensive usually, except Chinese models. However manifolds for domestic water (or for heating but not UFH) are quite cheap...
Without information about where and how it was measured, this is useless. Don't even know if DC or AC. EBUS has 20VDC between the two wires when idl...
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Degrees of Separation
Latest Posts
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RE: Electricity price predictions
@jamespa I’m unable to offer any solutions, I’m not an ...
By Papahuhu , 8 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 , 8 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 , 10 hours ago
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RE: Renewables uptake near you
In a village of under 40 houses...Conservation Area. I'...
By Tim441 , 21 hours ago
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RE: Home Alone with Home Assistant (previously A Beginner's Guide to ASHP Monitoring)
Great news, @bontwoody.
By Majordennisbloodnok , 22 hours 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 , 22 hours 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 , 1 day 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 , 1 day ago
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@mk4 And of course, the panels are less productive due ...
By Toodles , 1 day 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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