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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Jan 14, 2026
Profile Activity
Topics: 20 / Replies: 3933
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Reply
RE: Electricity price predictions

We live in a democracy on a crowded island so everyone gets a say. Then everyone has an opportunity to challenge through judicial review which can ta...

2 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: DHW heat loss through pumps.

Ah, got it. Requires some discipline though if the pump is only triggered manually on demand, how many teenagers will have that?

2 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Renewables & Heat Pumps in the News

I bought a handful of system in my last job, commercial use but domestic in scale. Costs soon mount up if you need multiple, even two or three, idus ...

2 months ago
Forum
Well & Truly Off The Grid
Reply
RE: DHW heat loss through pumps.

Sorry Im still not getting it. How does a recirculating loop with one or more switches save either water or energy relative to the simple arrangeme...

2 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: DHW heat loss through pumps.

@ubert767 Interesting. So the relay detects you are in the bathroom and switches the recirculation on? If so how does this work for the other out...

2 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

The problem comes only if you can't turn the ft down sufficiently because of the firmware limitations. At that point you will have to run thermostat ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

we are talking the same thing. Its crazy if its really like that, but Octopus are, in fairness, pursuing a 'low installation cost, good enough' appro...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW heat loss through pumps.

Ah, you have a water circulation loop, (like in hotels) which does exactly that, keeps water circulating round the house continuously so you can enjoy...

2 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: 10kw heat pump run in 24*7 data?

FWIW with the colder weather and defrosts kicking in overnight my 24hr COP has, according to Vaillant, dropped to 3.4. Not really surprising.

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?

Thats good news and what might reasonably be expected if its close to the correct size. OAT sensor needs to be out of the sun. On a Vaillant its...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

I have set all TRVs open, the set temp is 30c which is max (at around 7pm last night from 25c) great, that establishes the right conditions to set u...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW heat loss through pumps.

Welcome to the forum. feel free to ask any questions. I think you may need to explain your set up a bit more. What are the 'heatmisers' doing exac...

2 months ago
Forum
Domestic Hot Water & Cylinders
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