Vaillant 711933 hall sensor

Product code: 475948

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Product Description

This Vaillant hall sensor is compatible with TURBOmax VUW (fan-assisted), ecoMAX VUW (condensing) and aquaPLUS VUI (fan-assisted) 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. To help you find the right parts for your jobs, go to the industry leading parts identification tool, PartsArena, giving you quick access to over 20,000 exploded diagrams, 10,000 images & 20,000 products. FREE to Wolseley trade account customers.