The flow switch acts as a safety device. It is a switch with an in-built sensor that sits in the pipework for both the domestic hot water and central heating systems. When the pump is switched on, the flow switches senses this movement and feeds the infor
Fits multiple appliances
Technical specification
Waist Sizeae19cj24gvTypePipeToilet Cistern CapacityFTW--Supplier Part Number88940Brand NameVaillant