@Grahamu No worries - I'll have a listen out for my KE100's to see if I can hear the valve slightly close in advance of hitting set temp as usually I only hear it when it closes at the set temp.

I'd suggest unpairing everything and then recalibrating just one of the KE100's. Then re-pair just that single KE100 with the T315 and see how that works out. @Wayne-TP Can you confirm if the KE100...

Something must be off with your set-up as I have the same set-up (KE100's paired with T315's) and I can hear the KE100 motor close the valve exactly when the T315's reach the turn-off temp (and turn...

Hi all, I've tested this morning with the new firmware 2.8.0 and both of my units appear to be working correctly with no noise when closing the valve. I'll monitor over the next week to ensure they...

@Wayne-TP - PM Sent with required info for Beta firmware update. @butty - I didn't click 'Recommended Solution' so Wayne must have made it the recommended solution. I was however able to uncheck it .

@Wayne-TP I've just tried an experiment. I removed the unit from the radiator and tested it opening and closing - The good news is there's no grinding noise so the issue must be firmware related (see...