Last seen: Jan 6, 2026
No it shouldn't, the pressure should stay fixed at what ever you set it to - which is normally about 1.5bar. It should never go to zero and back up t...
It sounds to me as though the bladder inside the expansion tank has failed. I recommend you get this checked as soon as possible before excessive pre...
@dr-h I'm not a heatgeek professional (although I am a geek 😉 ) The heatgeek "pink cylinder" is a thermal store with a coil inside. The water fr...
That'll do it 😉 Can you go lower? Bob
OK, please forgive me, what does that mean? Using less what? Insulation? The installation manual for the Ideal Logic Air says there is a temperatu...
That insulation doesn't very good to me, maybe others can comment. The last picture is different to one of the earlier ones. There seems to be a pa...
OK, so...completely by accident I was reading the installation manual for this heat pump. The manual says it has a "cold start protection mode". "...
Hello, please can you post some pictures of the pipework as it comes out of the back of the heat pump, up the wall and into your house. It looks as t...
The flow restriction to your living room radiator is likely to be the pipes and valves. Swapping the radiator for a fan coil might not give you addit...
You need to adjust the surface emmissivity setting of your thermal camera. Try this, assuming you have a metal kettle with a polished exterior surfa...
Here's a quick spreadsheet I put together that shows how compressor discharge temperature varies according to pressure ratio. The data is based on P...
Just a thought, do you have underfloor heating? The comment "started cycling as the return temp increased" makes me think you're seeing a benefit of...
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RE: Recommended home battery inverters + regulatory matters - help requested
I too think that the Solis earthing diagram is confusin...
By Transparent , 2 minutes ago
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Vaillant aroTherm not heating with many faults
I have a 3 year old 10kW vaillant aroTherm heat pump co...
By Anon67 , 35 minutes ago
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RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP
OK, TBH I dont know enough about MLCP to comment with a...
By JamesPa , 1 hour ago
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RE: Predicted Heat Loss from MCS calcs vs EPC vs actual
My gut feeling is that the heat pump is right sized. ...
By Tim441 , 2 hours ago
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RE: Heat pump not reaching flow temperature
Peak Energy Products most recent accounts (to June 2024...
By JamesPa , 2 hours ago
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RE: Power outages and storms: A surprisingly good DNO experience
Agreed, which is no more nor less than a customer shoul...
By Majordennisbloodnok , 3 hours ago
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RE: Running from backup generaor in powercut?
@batpred In our case, 3 times each day when the Octopus...
By Toodles , 4 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
Hi @sheriff-fatman Cycling at 5C and below is usuall...
By RobS , 4 hours ago
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RE: New Fogstar 15.5kWh upright solution
@batpred Here's the latest Fogstar ready built pack....
By Bash , 6 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@mike-patrick yes, even though the current system is ru...
By Tim441 , 6 hours ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
Solis confirmed that the S6 works with a single battery...
By Batpred , 6 hours ago
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RE: Who has a V2G EV installation
I am wondering if in any V2X, would the car battery eve...
By Batpred , 7 hours ago
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RE: Setback savings - fact or fiction?
Yes, by calculating it manually from the minute data, w...
By cathodeRay , 8 hours ago
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Fan unit Making terrible noise HELP!!
One of a pair of fan units on an Earth Save Classic II ...
By GutoFfowc , 9 hours ago
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RE: New Mitsubishi Ecodan 11.2kW installation - L9 errors and maybe more
OK. I think your system, which seems well designed, is...
By JamesPa , 10 hours ago
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RE: Heatpunk Floor plan issues
It's usually the complete opposite... seldom that Safar...
By Mars , 24 hours ago
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RE: Fan is clipping ice build up from the front of unit.
@majordennisbloodnok I’ll not go there thanks! Toodles.
By Toodles , 1 day ago
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RE: Running my new Nibe ASHP efficiently
I'm new to the forum. Did you get a reply to this last ...
By Mike @ Camelot , 1 day ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
@grantmethestrength MCS requirements for DHW capacity h...
By Toodles , 1 day ago

