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Last seen: Sep 18, 2026
Wow thats a lot, I think Id be flipping the dips myself! I hope it all works out in the end. It should but as previously stated I cant guarantee. ...
That all sounds good. Basically two switches to flip. Will the engineer visit for free? Its going to take all of 10mins including taking o...
@jamespa Looking at setting up the weather compensation. I know from the building that 32C is fine for temperatures below 0C and 5C. But don’t k...
I dont think it tells us anything else other than the time it takes constant for getting the slab to equilibrium at the specific flow temperature (whi...
If it happens only when it gets cold then it maybe that the heat pump tries to increase flow rate at lower outside temps/higher flow temps, and fails ...
Hmm. What do sensors do if you close 1 or 2 loops down. Does that give a clue. Tbh, apart from faulty sensor, I can't see what this is. Maybe othe...
Have you got a buffer tank, low loss header or plate heat exchanger between ashp and manifold? If so there could genuinely be different flow rates!
. It does but, unless there has been a firmware update, it cant be a controller fault, suggesting its a wiring, connection or valve fault. But that...
OK. The interesting thing is that the heat pump is still in DHW mode, which presumably means that the controller thinks the job isnt finishe...
OK, how do you know its reached the set temperature, and does it continue to heat the DHW at an elevated flow temp (and thus overshoots the DHW set te...
Its not so much challenging as seeking to understand. Your house cools very slowly so provided that the right amount of energy is put in over several...
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Latest Posts
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RE: Why are ASHP installs so expensive?
Posted by: @jamespa Thats very interesting, I am on ...
By Rob of York , 1 minute ago
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RE: Heat Pump deployment statistics: June 2026
To my eyes, sat behind all of this is a basic policy ma...
By Temperature_Gradient , 13 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 17 hours ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 18 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 20 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Have you looked at the Nibe website? They list their ap...
By Lizzie , 21 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 , 2 days ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 3 days 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 , 3 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 , 3 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 3 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 , 3 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 , 4 days ago
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