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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 19, 2025
Profile Activity
Topics: 17 / Replies: 2696
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RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

To me that reads as 'Hydraulic separation optional but if present covered for 7 years if you take out the extended warranty', as opposed to 'Hydraulic...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Renewable Heating Hub Partners with Heat Geek

@mars as a matter of interest have you got any near Stansted airport. I quite often get asked, do usually mention RHH, but of course don't actually k...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: help sizing rads based on room by room heat loss

I just left the old towel rail which is now way underpowered. I am relying on heat transfer from the adjacent hallway, which has excess capacity, tog...

5 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: New Heat Pump - mixer shower pressure

Agree. Fortunately UVC installations (which almost always are included with an ASHP) include a pressure reducing/balancing valve to supply cold water...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Anyone able to provide some feedback before I make my finale decision? Samsung vs Baxi vs Vaillant

@heatgeek Firstly thank you for all this discussion as a result of which i have (I think) understood the way heat pumps operate better than ever be...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help me keep the faith with my installation

@adamk I am sorry to hear about your initial troubles. Can just a) support what @mars says and b) add that, if you get a good installation, which w...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Frequent power outages in the Southeast – A sign of things to come?

I checked mine and it came back on. Took about 10s of 'loading' then doing it's job. Its not the first time I've done this and it never occurred to ...

5 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Noise problems with newly installed Samsung 8kW ASHP

I have a real problem with that as its effectively retrospective planning legislation. What was legal as regards building has to remain legal, otherw...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: help sizing rads based on room by room heat loss

Because they don't know your room temperature and it's only (average) DT that matters Not strictly I think. It's 20 plus half the DT between flo...

5 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Noise problems with newly installed Samsung 8kW ASHP

Fair enough and very believable. I was responding to a comment which seemed to be suggesting that their use should be somehow restricted by regulatio...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Anyone able to provide some feedback before I make my finale decision? Samsung vs Baxi vs Vaillant

Not so sure about that. Points 3-4 are on a constant (refrigerant) temperature line, which you can see because refrigerant temperature is on the diag...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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