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JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Nov 2, 2025
Profile Activity
Topics: 18 / Replies: 3253
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RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.

What's to stop you simply replacing the heating bit with an ashp. Presumably all the emutters etc are fine so it's just a straight swap of heat sourc...

5 months ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Flow Rate & Low Loss Headers

Further to the above I found the Aurora/AdlerCastra user Manual Page 4 concerns me, the WC curves are stepped as a function of OAT not smooth and...

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

Not detrimental just superfluous and something else to go wrong, but I cant understand why its more expensive, cylinders with integral heat pumps aren...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Forum updates, announcements & issues

FWIW I see the same, noticeable delay then quick load. Particularly obvious on a mobile (running DuckDuckGo)

5 months ago
Forum
Introductions, Forum Rules & Updates
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RE: Flow Rate & Low Loss Headers

@morganr Firstly congratulations on your understanding of this and background work. You have clearly done due diligence. Cutting to the chase on...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Home energy storage & battery register

I love that! Unfortunately there doesn't appear currently to be a V2G available on the market (the ones out there are, I believe, all associated wi...

5 months ago
Forum
Energy Storage
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

Wow, I never imagined the equipment would be that expensive. That presumably changes the economics somewhat!

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

@ashp-bobba Firstly, well done for raising this! It occurs to me that, if the blower test were done at the same time and by the same person as t...

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

I suspect it's nothing more than convention. The industry has moved away from open vented systems generally and newer boilers/heat pumps probably jus...

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

Feel free to post surveys/quotes for comment if you wish. The motivation for most people here is just to help in whatever way they can and you are en...

5 months ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: All your heat pump problems solved by -- a plate heat exchanger in a plinth!

Understood. The only point I am making is that I'm far from sure that a PHE fundamentally reduces the pressure required in any given system for any...

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

I'm not sure that makes any sense at all, so I would question whoever is telling you this properly to examine the alternatives. Fundamentallly the p...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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