The Glow-worm thermistor works by decreasing current resistance in a manner that is inversely proportional to the temperature of the thermistor.

This Glow-worm NTC sensor is designed for use in Betacom boilers.  The sensor or thermistor 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.  As the UK’s leading parts specialist, Wolseley carry the widest range of spares, stocking all the big name brands for the trade. Now, to give our customers even more support, we’re adding a greater number of specified parts from leading manufacturers into our branches with the introduction of the Wolseley Branch Parts Accreditation Scheme. Many branches will now be Silver and Gold accredited, a sign that they hold more stock than anyone else, so you can be confident you’ll get the parts you need to fix it first time. Fast.

Glow-worm
Sensor - Ntc Surface Type -5C TO 105C
20118646

Trusted by Tradespeople

Glow-worm Sensor - Ntc Surface Type -5C TO 105C 20118646

Trusted by Tradespeople

Glow-worm
Sensor - Ntc Surface Type -5C TO 105C
20118646