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Illustrious Member
Joined: Jan 20, 2022
Last seen: Jun 24, 2025
Profile Activity
Topics: 16 / Replies: 2397
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RE: Renewables & Heat Pumps in the News

Whilst we're still awaiting any explanations from official sources @judithmay I point out that the symptoms indicate that the Spanish engineers did ta...

2 months ago
Forum
Well & Truly Off The Grid
Reply
RE: Renewables & Heat Pumps in the News

Thanks for the nudge @judith Yes, I do have more technical information on the likely causes of the Iberian Outage,but please appreciate that I'm alr...

2 months ago
Forum
Well & Truly Off The Grid
Reply
RE: Massive Electricity Cost for Running My Air Source Heat Pump

I agree @mark-h The Building Regs are now very readable...... although I do miss the sections of 'advisories' and illustrations of acceptable practice...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan Legionella cycle - immersion heater problem

Thanks for letting us know @clockworks I admire your optimism that the thread is now 'closed'. It'll get re-opened at some point...... when someon...

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

Has the inverter got enough oomph to run your ASHP from the backup (always on) port?Or are you content to lose heat output during a power-cut?

2 months ago
Forum
Introductions, Forum Rules & Updates
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RE: In the middle of an ASHP installation - a few questions (and issues)

Thank you @robs - that very useful data. The issue was mentioned to me by a Network Planner for a DNO. There's considerable diversification applie...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In the middle of an ASHP installation - a few questions (and issues)

@jamespa - how is that the Vaillant data-logging is showing a COP below 1.0 on occasions? Separately... Do any of these manufacturer's data-logs...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Pipe sizes

I don't think the two conduits should be spaced horizontal to each other because they might block the flow of concrete when it's poured.That could lea...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: ASHP Pipe sizes

Height above ground level matters only when you're considering the position at which you'll place the drain-valves.They'll obviously need to be at the...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: ASHP Pipe sizes

That's great @fingers ICF construction is known to me, although it's not used much in my area. Let's look first at the conduit needed to carry the ...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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