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BobTSkutter
@bobtskutter
Member
Estimable Member
Joined: Jan 11, 2025
Last seen: Jan 6, 2026
Profile Activity
Topics: 1 / Replies: 93
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Reply
RE: advice on excessive shortcycling and overall efficiency

That's a great photo to show of the pipework. It appears to show a low loss header (black vertical cylinder), which has been bypassed. There are two...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP for small garage and workshop

Thank you. The proposed ASHP would be a low power (4kW) device connected to an existing supply. Do I still need to inform the DNO? Thanks Bob

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP for small garage and workshop

Hello everyone, time for a dumb question. Am I allowed to self install a heat pump in the UK? It would be the only one on the property. It would...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Red Expansion Tank

Excellent, I'm glad it's settled down. Regards Bob

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Compute heat loss from energy used

I think your original calculation was based on propane LIQUID. You measured propane GAS volume, then converted it to LIQUID volume, then worked out ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is your gut better than Math

I wonder if those charts could be redrawn to make the LWT and RWT trends easier to read? Was the system in eco mode during the night when it was cycl...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Compute heat loss from energy used

@sussex-greenish I like your logic. Where does the 65.33kWh come from? I guess your LPG bullet has a flow meter on it and you've looked at the ca...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat output , science and practice

@Terry1812 welcome, you're going down a thermodynamics rabbit hole 🙂 Long story short, yes you're correct. At a fixed flow and a fixed DT your po...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Red Expansion Tank

🙂 I'd love to know what you find out, please post the solution. Regards Bob

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Red Expansion Tank

OK, that is a pressure relief valve for your hot water cylinder, not your heating system. That valve is to protect the cylinder from bursting. There...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan consuming 100kwh per day in new build!!!

I know there's a lot of people offering help and advice, that's the great thing about the internet! 🙂 If you're using 100kWh per day, that's 360,00...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Red Expansion Tank

The valve on top of the red expansion tank is what's used to fill the air bladder inside the tank. It's good that water didn't come out. The install...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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