Vaillant Pressure Differential Valve 151017 main Modern equivalents that replace it

Modern equivalents that replace it directly:

Part also fits:

ecoTEC PLUS 615 VU 156/5-5 R4

BAXI DUOTEC 33HE LPG

Vaillant Pressure Differential Valve 151017 main Modern equivalents that replace itVaillant part, this flow switch is suitable for use in Thermo compact VC (fan assisted), COMBI compact VCW (fan assisted), VC VCW (conventional flue) and VC VCW (balanced flue) boilers. The flow switch, or flow meter, has an inbuilt sensor that sits inside heating or hot water system pipework as an important safety mechanism. It is designed to sense water flow, the switch feeds information to the boiler's printed circuit board (PCB) to ensure that the