Product Description
Shop the McDonnell & Miller FS4-3 1” General Purpose Flow Switch (Part #114400) at Canadian Pump Shop. This versatile paddle-style flow switch is designed for reliable performance in various applications, including pumps, alarms, and motors. Features include a 1” NPT connection, stainless steel paddles (1”, 2”, 3”, 6”), and a maximum pressure of 160 PSI. Perfect replacement for Johnson/Penn, Taco, Watts, and more. Order now for fast shipping and competitive pricing