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LeJamaisContent
@lejamaiscontent
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Joined: Apr 3, 2026
Last seen: May 1, 2026
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Topics: 0 / Replies: 19
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RE: Microbore heat pump installs

@jamespa Sorry I'm that late, I didn't get a reminder of having been cited, dunno howBravo! for the strikingly structured approach of yours. This is a...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?

@judith unfortunately, I completely missed your reply until now, very sorry!Your 18 000 kWh/y knock me out -- following my basic-arithmetics-approach...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Microbore heat pump installs

Right, JamesPa, they don't, but me being nosy .... wanted to see if there's a chance of getting away without radiator swaps .... optimistically assumi...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Microbore heat pump installs

Uh-oh, 85 kWh in 24 hours sum up to 3.5 kW in average .... perhaps the stove was meddling into the yearly result .... good you mention that.Anyway it ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Microbore heat pump installs

Nicely large radiators -- single layer or double? With zig-zag sheet metal dissipators on their back?When you live in an area with hard water, limesca...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?

Radiator .... and there it goes, my shiny theory .... so sorry, but at least I tried, and not having done so would be a shame. Keep anyway RT in mi...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?

@mairiA apologies myself since I didn't watch my e-mails by now.My concern is that your radiators could be hot on top but (worst case) stone cold at t...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 7.5kW Heat Loss, But Quoted a 10kW Midea. No Re-Pipe, No Buffer Tank. Does This Add Up?

Oh, how I love these old scientists!I'm in with your 5 kW -- thanks, that helped a lot.Overall, I enjoy this conversation very much.I do, while any ou...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 7.5kW Heat Loss, But Quoted a 10kW Midea. No Re-Pipe, No Buffer Tank. Does This Add Up?

Second thought, sorry:What I said about 6 kW instead of 7.5 kW against 10 kW, was under the assumption, that at 1600 or 1800 l oil per year the indoor...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 7.5kW Heat Loss, But Quoted a 10kW Midea. No Re-Pipe, No Buffer Tank. Does This Add Up?

No buffer, check.No re-pipe, check.6 kW would add up better imo, 10 kW doesn't at all. Big pump bringing a 200-day-per-year risk of too little demand ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?

Er, nobody out there to support?I'm quite sure that my wild guesses won't help, but possible will provoke some reaction from people more skilled than ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?

I read this thread from the beginning to its end.And then I read it again, thinking 'Did anybody mention return temperature RT? No, 'twas missed out.'...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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