Service:Compatible liquids or gases.Wetted Materials:Diaphragm: Buna-N; Body with Fitting: Zinc alloy, chromate finish.Temperature Limits:-31 to 185°F (-35 to 85°C).Pressure Limits:600 psig.Vacuum Limits:29.9″ Hg (vacuum and compound models only).Switch Type:SPDT snap action.Electrical Ratings:15 A (resistive) @ 250 VAC, 1/2 HP @ 250 VAC.Electrical Connections:Three screw terminals.Process Connection:1/4″ male NPT.Set Point:Field adjustable via knurled screw cap.Cycling:Not to exceed 1 Hz.Sensor Element:Diaphragm.Weight:7.4 oz (209 g).Agency Approvals:UL.