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@heacol
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Prominent Member
Joined: Aug 6, 2021
Last seen: Oct 1, 2025
Profile Activity
Topics: 3 / Replies: 411
AllTopicsReplies
Reply
RE: Some big changes are coming to heat pump installation training

Thanks, Mars, To answer the first question, yes, everyone is invited to come and kick the boxes in the training room to see what we do and how we do i...

4 years ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Heat pump delta T too low - 2c

@iancalderbank I am not accusing you for cutting corners, but if you have Honeywell type valves, someone has. The correct valves are very difficult...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: NIBE ASHP not doing so well - help needed

Complain to Nibe, they can be very good depending on the area. If you still have problems, PM me.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

@william1066 Correct. Mag filters are not designed for high flow, they have between 4 and 6 right angle bends inside, and the friction loss is huge.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

@iancalderbank I do not use 2 port, I only use full bore 3 port diverting valves. There is no reason, in any installation, to install 2 port valves. I...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea Monobloc 10kW ASHP - serious issues

@mmiuse The Midia unit is a very simple basic unit, but it can perform reasonably well if installed and set up correctly, however it is what it is. If...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

but this may do the trick: not one of his mentioned brands but available and a good price, another italian make., .

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

@transparent It looks like you have got a bad deal from your contractor, driller etc. Firstly, I presume you have an extraction licence from the env...

4 years ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

@phowardstutterheim Most components inside the units are from other manufacturers other than valiant. As long as they are similar and an alterative pr...

4 years ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: Heat pump delta T too low - 2c

@cathoderay "Isn't this another example of most of the heat pump industry not really knowing what it is doing? I wonder how many installation don't ha...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

@william1066 I do not usually use the ESBE valves. This is the one I usually use and they are available for next day delivery. The valves you...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

There sounds like there are some tall stories being told by Valiant, or others. The supply side of the heat pump consists of a pump, a stainless steel...

4 years ago
Forum
Ground Source Heat Pump (GSHPs)
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