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Last seen: Aug 8, 2026
@petch all good news I think and suggests that a straightforward installation should be possible. Just make sure you consider follow the advice above...
Do that anyway, the main system controller that you use day to day should in almost all cases be the heat pumps own controller and almost never third ...
@editor has said a lot but let me address this one head on and specifically explain the disparity. Heat pump manufacturers typically specify a minimu...
@davec At a wild guess a low external temperature in order to flatter it! If they were proud of the figure they would bother to tell you the inf...
Im assuming from your original post that hysterisis refers to the DHW and you want it to reheat immediately the water temperature falls below some par...
You are absolutely correct that the capacity table MUST be consulted. Heat pumps vary in how much, and in which direction, they depart from the 'stic...
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Latest Posts
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RE: Indevolt Batteries UK Support & Info Thread
As I recall, 3kW is the maximum available from the main...
By Transparent , 26 minutes ago
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RE: Electricity price predictions
Nationally-based Demand Flexibility makes little sense....
By Transparent , 2 hours ago
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RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 8 hours ago
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RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 18 hours ago
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RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 21 hours ago
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 1 day ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
One of the other mods has just reminded me that @ashp-b...
By Majordennisbloodnok , 1 day ago
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RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 3 days ago
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RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 4 days ago
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RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 4 days ago


