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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: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
I brought my old R407C water to water heat pump to the ...
By bobflux , 41 minutes ago
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Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 1 hour ago
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RE: Indevolt Batteries UK Support & Info Thread
Have you tried cutting the grid feed to see what actual...
By JamesPa , 1 hour ago
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Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 1 hour ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 1 hour ago
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 12 hours ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 13 hours ago
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There are just too many unknowns for me to comment on p...
By Transparent , 15 hours ago
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RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 15 hours ago
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RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 17 hours ago
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RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 20 hours ago
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RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
By Old_Scientist , 23 hours ago
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RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
By marcexec , 1 day ago
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RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
By JamesPa , 2 days ago
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RE: High air source heat pump running costs – Vaillant AroTherm Plus
Quite right. I was using a rough guesstimate of doublin...
By Majordennisbloodnok , 2 days ago
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RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
By petch , 2 days ago
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@toodles The whole scheme is a shocking waste of money....
By Papahuhu , 2 days ago
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RE: Anyone concerned about GivEnergy?
Many thanks for your, and the subsequent, answers tk qu...
By KevH , 3 days ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
Yes, and these guys would probably be my preferred inst...
By Batpred , 3 days ago
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RE: Hot water tank lose heat rapidly on random days
@jamespa Hopefully their reasons are well intended! ...
By Bash , 3 days ago
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RE: Ecoflow UK Support & Info Thread
As mentioned above, we’ve got our full review of the Ec...
By Mars , 3 days ago
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RE: Say hello and introduce yourself
@sonosppp welcome to the forums. I see you've posted in...
By Mars , 4 days ago
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RE: Guidance with installing a new heating system
@bobflux Great, thanks for the advice. The pipe has an ...
By Hamilton , 4 days ago
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RE: Daikin Altherma 3 LT compressor longevity question
@optimistic-optimiser I have has a Daikin for a few yea...
By madsid , 5 days ago



