F-300 Flow Sensor Switch - 1-2 Inch Pipe filter-length_null inches This plastic depth marker tile

This plastic depth marker tile has a DEEP Message

front-to-back

This is a Pentair 472101 Thermistor Probe for CH MiniMax Millivolt Heaters

This Raypak B-R336A Digital Pool and Spa Heater is 332

F-300 Flow Sensor Switch - 1-2 Inch Pipe filter-length_null inches This plastic depth marker tileThis is an optional Flow Switch Sensor is designed to detect Flow or No Flow on the F 300 Series Flowmeters. A rare earth magnet is located within the red PVDF float of the new F 300 flowmeters. When the magnet passes through the Alarm Trigger Zone (Hysteresis) of the this sensor, the built in contact closure switch sends a signal to external devices. Two alarms can be placed onto one meter to obtain both Flow Switch and Flow Sensor capabilities.