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Last seen: Jun 24, 2026
@richard24738 Perhaps I need to re-visit mine for a closer inspection, thanks. I would not be surprised at all if there were gremlins in the Mitsubish...
@richard24738 Yes it's usually 59 or 60 thereabouts (or sits at 59.5 for ages, not drawing any power), yes mine is set for 5 minutes as well I think, ...
Hi Richard, what I do now (I'm on Octopus Cosy) is to have my Hot Water come on at 12:45pm (heated by the ASHP, the load isn't too bad in the first 15...
Thank you Transparent that is very helpful! When they drained the system they collected the inhibitor in a container and then re-filled it via the h...
Thank you Transparent, there is this, nothing else. During the renovation, a month or so after having the ASHP fitted we had another radiator fitte...
R32 is used in the HP circuit and is a gas right? The few times that I've bled the radiators it has been a light blue liquid that has come out.
Is there any point in using Holiday Mode unless there are sustained sub zero temperatures? I just turned the system off in the end after the DHW doing...
Thank you for the information, I'll investigate when I return home.
I activated Holiday mode before we left using the wireless thermostat by doing a long press, its activation was confirmed by both the Heating and DHW ...
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Latest Posts
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RE: How Accurate Is My DIY Heat Loss Calculation?
Any idea how efficient your gas boiler is? Is it a 50 y...
By Old_Scientist , 2 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 14 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 1 day ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 6 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 6 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 6 days ago



