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Joined: Jan 20, 2022
Last seen: Dec 3, 2025

Topics: 16 / Replies: 2750

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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

They are required to commission the system so as to use as little 'fuel' (energy) as reasonably possible. They are also required to instruct the hom...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Apart from the naff electrical tape, what is it about this thermostat which you believe is 'incorrect' @ajbevster Is it still picking up a portion...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

@ajbevster - look back at the diagram I posted here a couple of pages ago If the heat pump is getting incorrect data on DHW temperature, how ...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Baxi Air Source Heat Pump tips and tricks please

How clear was the issue made to you when you mentioned having a shower pump? Is it just the DHW system which is unpressurized? What about the wate...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Pipes and cables exposed on roof

Apologies for not responding earlier to this @michellec There are three factors which dictate the pipe coverings for solar thermal: adequate ins...

10 months ago

Forum

Solar Thermal & Power Diverters

RE: The good, the bad and the not that great – my heat pump installation

There was an earlier post here where @dwynwen referred to high pressure in hot pipe and low pressure in the cold supply. I have FOUR different c...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: The good, the bad and the not that great – my heat pump installation

This graphic is mainly for @jamespa and I to chew over,and particularly the pipe I've annotated in light purple. The only question for @dwynwen is...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

This has been a very useful/informative case @uk_pete_2000 For the benefit of others who will read this in future, the original overview of the hous...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Baxi Air Source Heat Pump tips and tricks please

Apologies for not addressing this earlier The Red knob is an over-temperature/pressure relief valve. In the event of a fault, it will allow the ...

10 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: The good, the bad and the not that great – my heat pump installation

I suspect it's a "Cold Fill" only machine.

10 months ago

Forum