McDonnell & Miller, a Xylem brand, is a leading manufacturer of liquid and flow control products. The company's line of products includes valves, boiler controls, flow switches, liquid level controls and water feeders. The general-purpose flow switches by McDonnell & Miller have brass body construction and feature a sensitivity adjusting screw to allow liquid flow at up to 131 gpm. These liquid flow switches can withstand up to 160 psi pressure and 227 degree Fahrenheit temperature. They are ideal for applications requiring low flow rate sensitivity and can also be used with starting and stopping electrical equipment such as alarms, motors and automatic burners. Choose from a wide range of these flow switches based and related accessories such as paddle kits, on Raptor Supplies, one of the authorised McDonnell & Miller distributors.