Brand |
Worcester |
---|
Glowworm 2000802635 Thermistor Control
Glowworm 2000802635 Thermistor Control
- Glowworm Micron 30FF
- Glowworm Micron 40FF
- Glowworm Micron 50FF
The thermistor boiler control decreases circuit resistance in line with temperature increases. A boiler’s printed control board (PCB) sends a current to the thermistor, deciding whether a decrease or increase in heat is required by reading the relative resistance.
Bag is tatty from storage