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JamesPa
JamesPa
@jamespa
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Joined: Apr 3, 2023
Last seen: Aug 6, 2026
Topics: 27 / Replies: 5211
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RE: Debugging my legionella immersion heater

Ah. Ok with immersion at bottom then the whole cylinder should eventually heat. The hottest point will still be by the element, but you would expect...

4 months ago
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RE: Anyone concerned about GivEnergy?

Once administrators are called in the Directors of the company lose control, so it matters not what their intent was, its the administrator that is in...

4 months ago
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RE: Global Energy Systems Thurso ASHP

I think this is an important point to keep repeating, but perhaps with some context: I looked around for independent Heat Pump CSAT reports and ca...

4 months ago
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RE: Indevolt Batteries UK Support & Info Thread

Yes but you may, like me, have the PV on a separate circuit protected by its own RCBO (a 2011 install). I dont know if the RCBO is bi directional or ...

4 months ago
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RE: Debugging my legionella immersion heater

like almost everything else in Grant's original wiring schemes, should be ignored - as you have   Very sensible!   Do you know...

4 months ago
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RE: Debugging my legionella immersion heater

Not sure which sensor you are referring to. When the heat pump heats the DHW (ie normal DHW heating not the legionella cycle) it relies on the tank...

4 months ago
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RE: Grant ASHP keeps switching on every hour

Frankly I have no idea how a room thermostat is ever going to work (whether the heat source is a heat pump or a boiler) for controlling UFH in a concr...

4 months ago
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RE: Grant ASHP keeps switching on every hour

Heatmisers with multiple room stats seem to be endemic if what people post here is anything to go by. I have a feeling that ufh installation and heati...

4 months ago
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RE: DHW static losses

You are correct, I missed a very important decimal point. 1.896kWh/day (or 1896Wh/day)  

4 months ago
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RE: DHW static losses

No it means 79W (power) which is 1896kWh (energy) per day.

4 months ago
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RE: Need advice on Cascading air source heat pumps or getting a large ASHP in UK

As per the above, first you need to find out what the demand (heat loss) actually is. If you can tell us your annual fuel consumption, roughly your ...

4 months ago
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