Viessmann 7828749 Flow Sensor / Vitodens 100-W WB1B 26kW 30kW 35kW Combi sensor and replacing the heat exchanger

and replacing the heat exchanger — or sometimes the whole boiler — may be necessary

Energy 25c 2015 Onwards  -  47-019-24

FLEXICOM 15 HX – 41-315-29

Ecotec Plus 831 VUW 316/5-5 2012-2012 NG  -  47-044-41

Vaillant VU 362/2-5 (2002-2004)

Viessmann 7828749 Flow Sensor / Vitodens 100-W WB1B 26kW 30kW 35kW Combi sensor and replacing the heat exchangerDescription Genuine Viessmann part number 7828749 a domestic hot water flow sensor designed for use in Viessmann Vitodens 100 W WB1B combi boilers. This sensor detects water flow demand when a hot tap is opened and signals the boiler to ignite and produce domestic hot water. It is a vital component for correct hot water operation and efficient boiler performance. The 7828749 flow sensor is commonly replaced when diagnosing faults such as intermittent