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@heacol
Contributor
Noble Member
Joined: Aug 6, 2021
Last seen: Aug 4, 2025
Profile Activity
Topics: 3 / Replies: 404
AllTopicsReplies
Reply
RE: Selling second hand heat pump

@jeff Reading your replies on the post, if, as you say, your radiators are correctly seized, knowing the current installation standard and recommendat...

3 years ago
Forum
Buy & Sell
Reply
RE: Selling second hand heat pump

Why not get the installation fixed, it usually does not take much to get a reasonable outcome?

3 years ago
Forum
Buy & Sell
Reply
RE: Heat pump delta T too low - 2c

@iancalderbank should be. Our stock should arrive week after next.

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

@iancalderbank 🤣 🤣 🤣 we are going to be stocking a better one.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 15mm piping and the need for flow separation

Correct, Most manufacturers just specify, and supply a strainer, not a magnetic filter, for any system

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help me optimise my ASHP Pipework

@luke TF1 filter for a strainer? Is this just to improve flow? Will there be other detrimental effects? just to improve flow and stop parasitic losses...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 15mm piping and the need for flow separation

@william1066 Thank you, The heat pump and system will work, with reduced performance at a Delta T of up to 14 Deg C, above that, it will probably beco...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 15mm piping and the need for flow separation

@hughf 😀 A standard Y strainer is adequate if your system is clean and well treated. We ise 1 1/2 " for flow.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 15mm piping and the need for flow separation

@hughf Do not fit the flow setter, it has no purpose and is a pressure parasite.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help me optimise my ASHP Pipework

@luke Your valve is fine, remove the items circled and you will have very good performance. You have plenty of system volume for the heat pump.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 15mm piping and the need for flow separation

A difficult problem, but it is possible to significantly increase the performance without sorting the problem out. However, would you deem it acceptab...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Some big changes are coming to heat pump installation training

It will be the latter in full control of a single manufacturer's heat pump, We are currently talking to two manufacturers to use their units. It does ...

3 years ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
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