Last seen: Sep 13, 2025
I firmly believe (but am open to correction) that the answer is yes (I also hope so, mine is!). The operative word (I believe) is under, the protec...
I saw you just posted some new pics. One questuon about those: Do you know - Is the big tank just a DHW tank, I think probably so (300l)?, but its ...
@jaynieq Thanks for the info and pics. These are of your solar/electrical installation, I was actually looking for the controller etc for the heat pu...
OK I did some very crude energy balance calculations attached. I had to make lots of assumptions, some of which matter to the outcome, many of which ...
@jeegnesh Thanks. One last question then I'll do some back of the envelope calculations tomorrow. Please confirm what times of day you are r...
I dont know, unless water is circulating in the UFH much faster than its coming out of the heat pump so basically its going round and round the UFH be...
@iraknic the buffer tank or pipe losses. It sounds like a classic case of excess mixing in the tank. That said not sure how accurate the or guns are...
@jeegnesh wow . exactly which rooms are too cold if you run at the 'downstairs' flow temperature.
The Vaillant WC interface is actually much more user friendly than most. You can do it without your installer (which doesnt excuse him not helping). ...
Latest Posts
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OOh thats nasty. Unless your installer overpressurise...
By JamesPa , 58 minutes ago
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RE: Humming sound on new install.
@adamk Yes, Live Monitor on the 'HPAI' (not the Senso...
By JamesPa , 1 hour ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 13 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 17 hours ago
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I didn't want to say that, bus since you have said it n...
By JamesPa , 17 hours ago
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 19 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I have been working on network resilience for a while. ...
By Scalextrix , 22 hours ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 2 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 2 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 2 days ago
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RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
By Toodles , 2 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 2 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 2 days ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 3 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 3 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 3 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 3 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 4 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 4 days ago
