Johnson and Starley Pressure Sensor 1000 0020325
City Plumbing
Johnson and Starley thermistor operates by lowering current resistance in an inversely proportion to the thermistor's temperature. The thermistor receives a current from the electronic control board, which may determine if it requires more or less heat.
Direct Heating SparesJOHNSON AND STARLEY 1000-0020325 PRESSURE SENSOR. Genuine brand new Johnson & Starley Boiler Spares product, covered by a Johnson & Starley Boiler Spares manufacturer's guarantee.