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Last seen: Sep 16, 2026
If the sensor which feeds the WC algorithm is in sunlight, it shouldn't be, as @davidb says. The idea is to measure air temperature. Weather statio...
I have mine set for a daily timed reheat. For reheat to occur two conditions must be met The time of day is correct The tank temperature (at the...
What do you mean by the tank pressure exactly, do you mean the pressure in the heating system or something else? I think this error could also occur...
Interesting and sensible behaviour by the heat pump, prioritizing DHW as one would expect and ensuring no colder water flows through the DHW coil. B...
Thats pretty much what the simple physics says. To get anything >10% you have to invoke something (as yet unidentified) other than simple physics,...
@liam-dr Welcome to the forum, its always good to have a professional here. I look forward to your comments.
Interesting. My DHW cycle happens at night so I wouldn't notice it, but it would make a lot of sense sense for the heat pump to switch the diverter...
@painter26 Do the radiators only get hot at the end of the cycle or at the beginning. If they only get hot right at the end perhaps its a (deliber...
On the occasions I have needed a new (small scale) commercial electricity supply I have had to pay a fairly substantial connection charge. I don't kn...
You were, the comment was meant for people who complain without bothering to take into account the enormous complexity, or propose a solution. This s...
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Degrees of Separation
Latest Posts
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RE: Why are ASHP installs so expensive?
@batpred I take your point and, perhaps, your experienc...
By ian33a , 5 hours ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 1 day ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
The Heat geek contract had various get-out clauses with...
By Batpred , 1 day ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 2 days ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 2 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 2 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 2 days ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 2 days ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 3 days ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 4 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 5 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 5 days ago
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