Pipe-clip temperature sensors
Rapid Online supply a range of pipe-clip temp sensors, for a couple of pounds each, that will be useful for monitoring temperatures within the heating system. Granted, they’re never going to give me actual water temperatures as they’re measuring the pipe rather than the water itself, however, over time they (should) give consistent data, which is just as good for my purposes. For 15mm copper pipe, the clip size to get is 16-18mm – I…