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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 26, 2025
Profile Activity
Topics: 17 / Replies: 2705
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Reply
RE: The good, the bad and the not that great – my heat pump installation

I posted a reply to the question about the pipe. re your question above, where is @dwynwen seeing a pressure differential, Im confused (or forgetfu...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: The good, the bad and the not that great – my heat pump installation

Possibly nowhere, just a diligent installer insulating a tail? I think it might be intended for a direct-attach expansion vessel see here/p>

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The good, the bad and the not that great – my heat pump installation

Domestic hot water and yes its the large tank labelled Kodiak which, hopefully, is the only tank they fitted. Ah, that may account for increa...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: The good, the bad and the not that great – my heat pump installation

I didnt realise that they also had a filter, but it makes sense. Me too, but either the cold fill is fed from the 'mains' (actually water fro...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The good, the bad and the not that great – my heat pump installation

@transparent did you just reply to my post by editing it? Im pretty sure this grey valve is on the inlet to the DHW, it looks like a standard 'inlet...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The good, the bad and the not that great – my heat pump installation

@transparent I dont think the grey one is a filter, I think its a pressure regulating valve, part of the 'inlet group' instructions here

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The good, the bad and the not that great – my heat pump installation

OK. Its good to hear you want to get it working and you do appear to have a good set of parts, so its a case of getting them set up a bit better. H...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The good, the bad and the not that great – my heat pump installation

Yes it will be protecting itself from freezing. You cant really stop this unless you decommission it completely. The question that you need to answe...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The good, the bad and the not that great – my heat pump installation

This is definitely a plumbing 'problem' not a heat pump problem, although it is linked to your heat pump installation. The pressure in the hot circui...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ideal Logic 10kW Heat Pump Pipes Noisy and Very Expensive to Run

The ideal r290s are Midea clones (but with ideal controls) made I believe in china. To the best of my knowledge Mitsubishi and Vaillant assemble hea...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Arotherm ASHP gets noisier when it gets colder outside

I dont think you attached the video.

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Large ASHP recommendations for listed house

Underfloor heating? - given you are putting insulation in between the floors its got to be worth considering although LB constraints may make it impos...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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