Model 1 Liquid Flow Detector 1-1/2" pvc s x s, rated 1 amp, mount horizontal only. 14gpm minimum flow required
Model 2 Liquid Flow Detector 1-1/2" pvc s x s set point 8-12gpm, pilot duty only
Model 25 Liquid Flow Detector 1-1/2" pvc s x s, rated 25 amps, mount horizontal only. 14gpm minimum flow required