Potterton 430048 Thermistor Control Probe
Potterton 430048 Thermistor Control Probe
- Potterton Housewarmer 45 – Ng
- Potterton Housewarmer 55 – Ng
The thermistor decreases the current resistance as it gets hotter.
The printed circuit board sends a current to the thermistor and can tell whether an increase or decrease in heat is needed by the resistance provided by the thermistor.
New, packaging tatty from storage





