Waterflow Detector with Retard – U Bolted • Service Pressure: Up to 300PSI • Flow Sensitivity Range for Signal: 4-10GPM (15.0-37.5L/min) • Maximum Surge: 18FPS (5.5m/s) • Contact Ratings: Two sets of SPDT 10.1Amps at 125/250 VAC 2.0Amps at 24 VDC • Operating Temperature Range: 40º F to 120ºF (4.5ºC to 49ºC) • Enclosure Rating: NEMA 4- suitable for indoor/outdoor use • Conduit Entrances: Two opening for 1/2” conduit One open, one knock-out type • Compatible Pipe: Steel water pipe, schedule 10 through 40 • Service Use: Automatic Sprinkler: NFPA-13 • One or Two Family Dwelling: NFPA-13D • Residential Occupancies up to 4 stories: NFPA-13R • National Fire Alarm Code: NFPA-72 • Warranty: 3 Years U-BOLT NUT U-BOLT WASHER PIPE SADDLE PIPE PLASTIC PADDLE U-BOLT TERMINAL BLOCK RETARD DEVICE