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 heating and domestic hot water systems. When the pump is activated, the flow switches senses this movement and feeds the information bac

Brand Name	Potterton
Colour	None
Material	None
Manufacturer Model No	P746
Wear Type	None
Type	Relay
Certifications Met	None
Country of Origin	None
Protects From	None
Waterproof	None
Number of Pockets	None
Supplier Part Number	P746
Fits a Number of Appliances	Yes
Waist Size	aa54cd57fx
Toilet Cistern Capacity	FTW
Range Description	Powermax