The Potterton flow switch acts as a safety device. It is a switch with an in-built sensor that sits in the pipework for both the heating and domestic hot water systems.
Fits multiple appliances
Technical specification
TypeAir Pressure SwitchCompatible WithPotterton Suprima 100 L, Potterton Suprima 30 L, Potterton Suprima 40 L and Potterton Suprima 50 LSupplier Part Number5109198Brand NamePotterton