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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 6, 2025
Profile Activity
Topics: 17 / Replies: 2678
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RE: Noise problems with newly installed Samsung 8kW ASHP

Im sorry to hear about the problems but its good that you have insulated flexible pipework, albeit only after a rework (which is itself suspicious). ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Noise problems with newly installed Samsung 8kW ASHP

All I was saying is that my gas boiler was louder than my ASHP (the latter is 30cm from a window to the room in which we spend most time) and no less ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Multiple simultaneous connections to Samsung R290 heat pump via Modbus

My understanding of modbus is that its a master slave system. One unit must be designated the master, others are slaves. i dont know how you do this...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Noise problems with newly installed Samsung 8kW ASHP

At this point I would like to observe that the flue fan from my gas boiler was very distinctly audible in parts of the house, as at times were some of...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@sandman1600 Im glad the analysis helps with understanding at least, that particular plot was a real goldmine. 3sq m surface area for the DHW coil i...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: (How) does your heat pump control its water pump?

@arundalep thanks, very interesting.

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Vaillant water pressure gauge vs Analogue gauge

Agree. It seems to me that if the external gauge is in the flow, ie immediately after the pump, then it would be expected that there is a pressure di...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: towel radiator, which one?

In that case output at 40C will be 25% of quoted value, ie not a lot. Towel rails appear to be like this, options if not enough are add an elect...

4 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Anyone able to provide some feedback before I make my finale decision? Samsung vs Baxi vs Vaillant

Further to the above here is the system pressure measured by my Vaillant. I know that this reacts to pump head, because (a) its about 0.6bar less tha...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Vaillant water pressure gauge vs Analogue gauge

@jeegnesh My heating switched off altogether for three hours today, so the water pump stopped. Whilst it was off, the water pressure on the controlle...

4 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

The output is not, so far as I can tell, limited to 3.8kW when NR is active although I have only limited monitoring capability so could just be wrong....

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: towel radiator, which one?

Possibly 25mm Vs 22 mm pipes. Output depends on surface area principally, but also on form factor. A rad that is twice as tall as another will emit...

4 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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