39818370 NTC Sensor Wet

Ferroli 39818370 NTC Sensor Wet

This part fits the following:

Ferroli Sigma 30-40
and Ferroli Sigma 30FF
with Ferroli Sigma 40FF
plus Ferroli Sigma 50-60
fits Ferroli Sigma 50FF
and Ferroli Sigma 60-100
with Ferroli Sigma 60FF

Not in original packaging

The thermistor increases the circuit resistance as it gets colder.

The electronic control board sends a current to the thermistor and can tell whether a decrease or increase in heat is needed by the resistance provided by the thermistor.