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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Jul 26, 2025
Profile Activity
Topics: 16 / Replies: 2638
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RE: New Heat Pump - mixer shower pressure

He may well be right. I have 9 bar which, on one occasion, burst open a steel radiator (with a bit of help from my stupidity).

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: help with new bathroom and towel radiator

Except that water is a conductor. Galvanic corrosion is a well known process problem with steel narrowboats, with the conductor being the water, s...

4 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Servicing of an ASHP above a flat roof

Yes it can be a problem. When we put our solar panels on a flat roof one very serious consideration was access to clean the windows! The window cle...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Say hello and introduce yourself

@stevehsp Can I suggest you read the introduction to ASHPs here as it will help understand the technology. In terms of quote time choices don...

4 months ago
Forum
Introductions, Forum Rules & Updates
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RE: Servicing of an ASHP above a flat roof

Possibly you could have movable barriers available. The principal risk I think is forgetting you are on a flat roof, stepping back and... barriers p...

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

I think you may be considering only one half of the equation here, and the question is how they balance (I dont know) High DT may mean higher COP at...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Heat Pump - mixer shower pressure

The new installation will come with a pressure limiter which will limit the water pressure on all hot outlets and any cold outlets which were previous...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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)
Reply
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)
Reply
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)
Reply
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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