This floor probe is designed to read floor temperatures; however, it can also be used to read air temperatures.
Watts floor probe
Watts floor probe

Parameters: length 3m, cable diameter 4mm (thermistor diameter 6mm), PVC sheath, resistance 10 kΩ at 25°C, suitable for Watts V23 receivers or Watts V22, Fenix TFT or Watts 760/860 thermostats.

Watts floor probe

References

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