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Scalextrix
@scalextrix
Member
Estimable Member
Joined: Sep 26, 2024
Last seen: Sep 11, 2025
Profile Activity
Topics: 6 / Replies: 74
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RE: All your heat pump problems solved by -- a plate heat exchanger in a plinth!

@jamespa I hope I'm wrong but I suspect you will get an error code if it gets too low. Vented systems are so much simpler, it would be nice if heat ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: All your heat pump problems solved by -- a plate heat exchanger in a plinth!

Yup, I see no reason to artificially pressurize low temperature heating technology, but as far as I can see that's the method most Heat Pumps follow. ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: All your heat pump problems solved by -- a plate heat exchanger in a plinth!

@jamespa nothing to do with the needed pressure. Current pipework is likely 60 years old, buried in concrete and as such in an unknown condition. C...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: All your heat pump problems solved by -- a plate heat exchanger in a plinth!

It seems to be saying that by separating the systems, then glycol usage can be reduced. I've heard about maintenance issues with anti-freeze valves,...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How accurate was your heat loss survey?

Thanks, so yeah yours is quite oversized, we are the opposite, we need to keep the huse warmer than the standard.

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How accurate was your heat loss survey?

@judith where it does start to make a differnce is installation cost and noise. Thanks for your reply.

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How accurate was your heat loss survey?

@carpenterstation sounds like what I'm afraid of, hopefully you can get it sorted. Thanks for your feedback.

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How accurate was your heat loss survey?

@bontwoody thanks, do you have any tips for a real world data approach. It does feel a little risky basing my estimate on a single day, unfortunatel...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
How accurate was your heat loss survey?
4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 11
Views: 426
Reply
RE: Plate heat exchanger considerations

Useful information thanks, we have a cupboard where all that can go, seems pretty small.

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Plate heat exchanger considerations

@johnmo not clear the pipes are dodgy, but they could be, nobody can know until after they are pressurized. Right? The only routing is the current...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Plate heat exchanger considerations

@bontwoody £300 on a £7k ASHP project isn't really a major issue. The designer will have to size it anyway, my real question is how much efficiency i...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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