Our installer seems to have programmed many of our valves with a calibration value of -3, but some have -1.

Why would he have done this? What is the likely consequence of the different figures?

What does this value mean? Iím guessing it has something to do with the fact that the sensor is right next to the radiator and not in the middle of the room or near where we sit? So, it will inevitably be hotter than the room if the rad is on.

If thatís the case once the room comes to temperature eventually I guess some sort of equilibrium will be reached ? If so how do Honeywell prevent that offset becoming a ďdeadbandĒ i.e. the valve canít reopen until the temp drops by at least the calibration offset?