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bontwoody
bontwoody
@bontwoody
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Joined: Mar 5, 2022
Last seen: Jul 13, 2025
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Topics: 29 / Replies: 807
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RE: Issues with installer's use of pipework for Vaillant Arotherm ASHP

@jwilliams89 Your calculations look good at a glance. With respect to the internal pipe strengtheners, I have tended to use the hep2o ones which are s...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Issues with installer's use of pipework for Vaillant Arotherm ASHP

Hi. There isn’t anything wrong with using plastic pipes as long as they meet the needs of the emitters. See this by John Cantor. I’ve used them in my ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Pre-install Air Source System question.

Hi @essgeesee Welcome to the forum. Heat pumps work best without zoning or TRV's turning radiators on and off regularly. The way a lot of us use our...

1 year ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Is a home battery a good investment with rented roof solar panels

@misterb lol. That’s exactly my situation too. My battery is huawei, I’ll have a look at the fog star thanks.

1 year ago
Forum
Energy Storage
Reply
RE: Heat pump Comparison

@delt I think also the levels of insulation in a house come into play. I corresponded with one user who used the same amount of kWh with a heat pump a...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is a home battery a good investment with rented roof solar panels

@misterb thanks. I think that mirrors my thoughts. What you say about bigger batteries is interesting. I have a 5kWh battery, it’s a modular sys...

1 year ago
Forum
Energy Storage
Reply
RE: Heat pump Comparison

This is actually quite an interesting problem and highlights the difference between efficiency and cost. Heat pumps are most efficient at low flow ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin ASHP has stopped generating hot water and myenergi eddi keeps tripping

@jamespa apologises, I did virtually paraphase everything you said earlier 🤣 @notechknowhow as James mentioned, it might be a good idea to ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin ASHP has stopped generating hot water and myenergi eddi keeps tripping

@notechknowhow I dont sorry Andy, but your order of priority would be to heat as much as your hot water via the solar thermal first, then the divert...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump stopped generating hot water

@notechknowhow I think that is the reason why there is not FIT entry then. Shame, but i guess the owners already had thermal solar and didnt see the p...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump stopped generating hot water

@notechknowhow Ive downloaded the full datafile now, but i cant find anything of that installation size. That either means it isnt on the FIT registe...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump stopped generating hot water

@notechknowhow Have you seen this Youtube video BTW. It looks like your control unit?

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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