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iancalderbank
@iancalderbank
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Joined: Oct 17, 2022
Last seen: Jan 14, 2025
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Topics: 0 / Replies: 643
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RE: Installing an immersion heater into a hot water cylinder

@editor are you trying to store spare PV for heating later? To hold a meaningful amount of energy in a water buffer, compared to the size of the heat ...

2 years ago
Forum
DIY
Reply
RE: Heating engineer costs

@mike-patrick I know nothing of glycol costs, but I'm sure there are products with google-able prices. If it was me I'd refuse to pay the mates time...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heating engineer costs

@mike-patrick insulation, I'm fitting my external pipes with this stuff right now/p> its very stiff though may not work on the bends that you appea...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to ASHP Monitoring

flow meters in general: my understanding is that a straight length of at least 10x pipe diameter before, 5x after, is best practice, I think this is c...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to ASHP Monitoring

then you need to find a way to get at the raw numbers 😉 I've bought one of those chinese meters. however in my current boiler system, I do not,...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant ASHP hot water issue

@chip as derek says, the immersion needs to come on , one way or the other, to get over 60C. if its not setup to do this under the control of the heat...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: A Beginner's Guide to ASHP Monitoring

well its interesting. the heat pump must have an accurate flow meter and accurate flow and return temp sensors, for its own control purposes. So IMO t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to ASHP Monitoring

the above are true. however, I would like to respectfully suggest that you are very much still at the options stage. Once you've gone through lots of...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Smart metre installation – seamless or a potential nightmare?

@editor there different brands. but any new one will be SMETS2. I've had 2. first one did the metering ok, but got confused when the powerwall was f...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Vaillant ASHP hot water issue

hi chip, a few questions to clarify. I don't know anything specifically about your heat pump, this is just general stuff. when you refer to reheatin...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Vaillant flow rates, Delta T, buffer sizing - trying to get ASHP running well but hit a brick wall.

@squonk flow rate is a function of pump "head" (how hard it pushes to the layman) and how much resistance to flow there is in total coming from the wa...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low Loss Header is losing 1.5c from flow temperature

@SUNandAir I'm not adding to the tech input as the others are giving all the help and info that is needed. but, I wanted to say to you, a "really rea...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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