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Vaillant Flow Sensor Complete - Black

SKU: 178988

£26.52 inc. VAT

Suitable for Following Appliances:

• EcoTEC Pro 26 VUW 266/5-3 R2
• EcoTEC Plus 937 VUI 376/3-5
• EcoTEC Plus 937 VUI 376/5-5
• EcoTEC Plus 937 VUI 376/5-5 R1
• EcoTEC Plus 937 VUI 376/5-5 R2
• EcoTEC Plus 938 VUI 286/5-5 R6
• EcoTEC Plus 938 VUI 386/5-5 A R4
• VIH CL 15 S
• EcoTEC Exclusive 838 VUW 386/4

Suitable for Following Appliances:

• EcoTEC Pro 26 VUW 266/5-3 R2
• EcoTEC Plus 937 VUI 376/3-5
• EcoTEC Plus 937 VUI 376/5-5
• EcoTEC Plus 937 VUI 376/5-5 R1
• EcoTEC Plus 937 VUI 376/5-5 R2
• EcoTEC Plus 938 VUI 286/5-5 R6
• EcoTEC Plus 938 VUI 386/5-5 A R4
• VIH CL 15 S
• EcoTEC Exclusive 838 VUW 386/4

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Description

A Vaillant flow sensor for Guernsey/Jersey only (condensing), ecoTEC VUI (condensing) and ecoTEC VUW (condensing) 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.