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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...
Latest Posts
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RE: Anyone concerned about GivEnergy?
@editor Thank you for your reply. We do have an active ...
By SUNNYSKIES , 5 minutes ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — a measured heat loss always trumps a calculat...
By cathodeRay , 47 minutes ago
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RE: Setback savings - fact or fiction?
@cathoderay Thanks for your detailed response.Just two ...
By PeterWurmsdobler , 56 minutes ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 3 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 16 hours ago
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Current metrics - DHW target set to 47c
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 1 day ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 1 day ago
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RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 2 days ago
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Heat geek have already stated that the pro is in fact c...
By JamesPa , 2 days ago
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RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
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