Mcdonnell & Miller AF2, Air Flow Switch (Low Velocity)

For low velocity applications Paddle fits 8" (203mm) minimum duct size Two electrical knock-outs allow connection from either end Brass, steel and aluminum construction Single pole, double throw snap switch Sensitivity adjusting screw makes flow adjustment easy Can be equipped with a time delay relay Minimum ambient temperature 32 Deg. F (0 Deg. C) Maximum duct temperature 300 Deg. F (149 Deg. C)