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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 22, 2025
Profile Activity
Topics: 17 / Replies: 2698
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RE: 4 port buffer tank connections

Nice one!

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 4 port buffer tank connections

Just thinking about this measuring the temperatures on all 4 ports should, I think, provide enough information to achieve a reasonable balance. Some...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 4 port buffer tank connections

The defrost energy has to come from somewhere, ultimately from the heat pump! Just to be clear I have neither a buffer nor a volumiser in my system ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 4 port buffer tank connections

If they did in the past but dont now then there are at least three contractual questions that arise 1. If they insisted on a buffer as a condition o...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 4 port buffer tank connections

I would support that sentiment. One conventional way as I mentioned earlier is sensors at one third and two thirds up the vessel. However buffer...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 4 port buffer tank connections

Do they? That's not what I observe from the several manuals I have read (albeit in some cases fairly quickly, I admit) over the past 2 years. I wond...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

It does sound like the house has a large thermal lag. Bear in mind that the thermal lag of the house can be long even if the radiators can cool quick...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Not a good January? My heat pump used 840 KWh of electricity

Apologies, I thought you were complaining about the comparison between the two months. My figures on the temperature differences were for Birmingham ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

If only others took the same approach we would see far, far fewer posts on this forum (and others) complaining about poor performance, and indeed far ...

7 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: 4 port buffer tank connections

100% agreed, I am a firm believer in the liberal use of occams razor!. I was just saying it (balancing a buffer) can be done, although it seems, judg...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 4 port buffer tank connections

... particularly if you have TRVs and zone valves randomly switching on and off, which may well have been part of the 'justification' for the buffer t...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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