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bontwoody

@bontwoody

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Noble Member

Joined: Mar 5, 2022
Last seen: Nov 5, 2025

Topics: 34 / Replies: 898

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RE: Mixing of pipework/components' with different internal dimensions - theory vs reality/practical approach

@rhh2348 I just mean that from the 22mm copper or plastic pipe spine, each radiator have 15mm plastic down to it. I use John Guest plastic pipe but...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Mixing of pipework/components' with different internal dimensions - theory vs reality/practical approach

@rhh2348 I find this an interesting question as I did a similar thing after reading John Cantors site. I have 28mm to my 5kW heat pump which then r...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Is it crucial to get flow temperatures with heat pumps right?

@alfapat the flow temperatures in and out of the buffer tank aren’t really something you can do anything about. They just indicate how much efficiency...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Is it crucial to get flow temperatures with heat pumps right?

@alfapat There is no such thing as a dumb question, just a dumb answer 🙂

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Is it crucial to get flow temperatures with heat pumps right?

@alfapat I think modern TRVs can be fitted on either side. The lock shield will restrict flow whichever side it is sited

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Is it crucial to get flow temperatures with heat pumps right?

@alfapat Remember Pat, as the outside temperature varies, so does your flow temperature. If you are not getting to room temperature today when its war...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Is it crucial to get flow temperatures with heat pumps right?

@alfapat yes if you can get the maximum flow temp to 46C from 50C that will be a result. you will find that each adjustment will affect every other...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Is it crucial to get flow temperatures with heat pumps right?

@alfapat that is what water law is for Pat. It automatically adjusts the flow temperature to take into account the OAT. Once you have the rad valves r...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Reusing existing radiators

@chandykris just give them a good wash out before fitting them back 😁

10 months ago

Forum

Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

RE: Is this normal behaviour for my samsung ashp

@wawyed Thats the only thing I could think of that might account for the difference. It looks odd but I doubt its affecting COP much

10 months ago

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