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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
AllTopicsReplies
Reply
RE: Flow Rate & Low Loss Headers

@morganr I have been thinking some more about those WC curves. Fundamentally they are, so far as I can see, just wrong. If your aim is to run on pur...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

It's a good question. With a house that has sufficient heat capacity (eg one with ufh in a slab) batch heating at cheap rate is probably a good app...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Flow Rate & Low Loss Headers

It sounds like you have thought about this a lot and everything you are saying looks sensible. A windowless, doorless gable with no properties nearby...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Remaining hot water/hot water flow meter

I think you first sentence is spot on, stored DHW is just different to on tap DHW from (presumably) a combi. Not worse, not better, just different. ...

2 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: I don't need any heating in the summer. How do I turn my Samsung heat pump off?

I should perhaps clarify my thoughts in view of the comments from @old_scientist (with whom I agree). @quakerquaker asked 'Q1 - is maintaining the w...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Remaining hot water/hot water flow meter

Rainfall showers can be 20l/min and stored water at mains pressure/3bar generally flows faster (possibly a lot faster) than anything coming out of a c...

2 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Flow Rate & Low Loss Headers

tricky that, I cant say I have a solution. Fair enough. Its all a bit crazy IMHO. You can have a 13kg bottle of propane in a garage or on...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

@ashp-bobba Talking of over-sizing (and if you dont mind me asking) what do you suggest for a load such as 3-4kW. There is another thread where this...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Flow Rate & Low Loss Headers

I definitely wouldn't want that near my bedroom (which is where my DHW tank is) but as you say in a kitchen area is OK Lots of installers certain...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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