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Brendon Uys
@heacol
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Noble Member
Joined: Aug 6, 2021
Last seen: Oct 1, 2025
Profile Activity
Topics: 3 / Replies: 411
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Reply
RE: 4 port buffer tank connections

I don't believe the installation of a buffer tank, complies with the building regulations.

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

@uk_pete_2000 I do not think there is 1 manufacturer that insists on a buffer, what they do insist on is adequate open flow and system volume. Flow sh...

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

@jamespa You are again correct, you can balance a buffer tank, just like you can go to the moon 🤣

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

@toodles I am totally against any form of system separation in a domestic environment and most commercial environments. I have installations with over...

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

@jamespa correct, but why make things complicated when a system without a buffer works so well? In my experience, simplicity is always the best option...

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

@transparent You are correct on both accounts, the picture is correct, and it is exceptionally difficult to balance a buffer in normal circumstances.

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

I do not know where your consensus comes from, certainly not from me. Any variation of flow on either side of the buffer tank WILL cause distortion an...

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

A perfect example oof distortion, it cannot be any worse. That is probably at least doubling your heating bill.

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

@transparent Your picture of a volumizer is correct, you must be careful that you have 10-15 liters of open zone (free flowing without control) water ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Moving from two zone to single (open) / how to select a circulation pump - advice please

@rhh2348 Let me try to explain. We move heat with water, water will only hold a certain amount of heat (4,200 Joules per kilogram per degree Cel...

12 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Moving from two zone to single (open) / how to select a circulation pump - advice please

@rhh2348 Answers to your questions. Seriously considering doing this. I think I understand the benefits (mainly, the ASHP works much better wit...

12 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: 15 year old Daikin ASHP System

Thank you @editor and @judith \we have made contact.

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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