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Last seen: Sep 18, 2026
@jamespa Yes water from the HP does tend to collect under the unit. There is a drain but its not effective. I will send a picture later. The no...
Yes its on at 80%.
@sim0n0 It would be very useful if you could tell us more about your experience.
JamesPa I know these surveys are not the most accurate. From the Energy Performance Report From the Energy Survey The building...
From the Display and my temp probes. HP is in start up, been on for about 30 mins. Left: Twi. Middle: Two. Right: Return from underfloor
@jamespa I have not been in that area before, not my area of comfort, (don't like playing in case I break something. Will have a look.
Heating only just going on today (4:30pm), been off since last night (my intervention as we are too hot). Outside it's 13C here. Only reason for putt...
I have been writing down the temperatures on the probes on top of the buffer. High Point just prior to Defrost Cycle Two - 28.8C (significant drop...
Twi (Temperature Water In) is Hitachi's term for water returning to the Heat Exchanger. Remember, my temperature sensor are not metal probe...
This is the manifold. Zoom in to see actuators are removed.
The secondary pump runs all the time when there is a demand for heating and when in the Thermo Off situation. Yes the power cut turned the heat pump...
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Degrees of Separation
Latest Posts
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@editor Aargh - Trustpilot. On my journey, Ì contacte...
By L8Again , 48 minutes ago
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 11 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Posted by: @ian-s Could always use the money saved o...
By Rob of York , 16 hours ago
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RE: Why are ASHP installs so expensive?
And then you look at US electricity prices and weep.
By bornagain , 18 hours ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 22 hours ago
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 2 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
I have one of these fitted which also allows you to reg...
By Old_Scientist , 2 days ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 3 days ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 3 days ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 3 days ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 3 days ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 3 days ago
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RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 4 days ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 4 days ago
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