We have the remote floor sensor available here
https://www.heatmisershop.co.uk/remote-sensor-probe-3m/
We have the remote air sensor available here
https://www.heatmisershop.co.uk/heatmiser-thimble-sensor/
Want to use a 3rd party probe?
If you want to use another manufacturers sensor probe, you should ensure the specification matches that of our probe.
Our specification is: 10K NTC at 25C, they can be extended up to 20m using a twinned twisted pair such as Belden Cable 8451. When wired into our thermostats it does not matter which way round the cables go into. There is no polarity.