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Last seen: Aug 31, 2026
@jamespa Its a lot more than I had managed to work out James, so thanks yes. Ive offered to switch the pump for her as a belated wedding present, so w...
@toodles LOL, I did point that out to her 🙂
@toodles I suppose anything is possible. I wish I had took a better photo of the cylinder so I could perhaps look it up and see its connections. Perha...
@robs Wow. That’s quite a difference!
@raiph So if its all in the box, my guess would be it is already using PWM to control the pump. It would be madness not to given that the facility is ...
@raiph I would assume you could manually alter the pump speed, or if it is of a compatible type it can be controlled via Pulse Width Modulation direct...
@raiph So it will be cheaper to heat your domestic hot water overnight if you have a large enough tank to meet your daily needs. I dont heat my DHW us...
So just to keep this thread updated, here is the latest months data. October has been mild and the potential savings of having a second battery are on...
@cathoderay I see what you mean. I am able to show flow rate on the graph and it seems the pump gives a burst (for 2 minutes) when the heat pump goes ...
@cathoderay Here is a zoomed in image. The water loses 7 C in just under 3 hours. All my pipework runs through the loft of my bungalow and has standar...
The flow and return temperatures are measured by inline temperature probes from my heat meter, so Im pretty sure they are giving an accurate picture. ...
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