Wetted Materials:Fairprene, brass, steel, and aluminum.Temperature Limits:-10 to 180°F (-23 to 82°C).Pressure Limit:Single Pressure Use on High Side: sustained pressure: 15 psig (1.0 bar); surge limit: 20 psig (1.4 bar). Differential Pressure Use: sustained pressure, range P1: 2 psig (.14 bar); sustained pressure, range P2: 10 psig (0.7 bar).Enclosure Rating:General purpose. Weatherproof and explosion-proof optional.Repeatability:±1% of full range.Switch Type:See Ordering page.Electrical Rating:See Ordering page.Electrical Connections:Screw type.Conduit Connection:7/8″ (22.23 mm) hole for 1/2″ (12.7 mm) conduit hub.Process Connection:1/2″ male NPT and 1/8″ female NPT used for single positive pressure or high differential pressure, 1/8″ female NPT used for single vacuum or low differential pressure.Mounting Orientation:Vertical.Set Point Adjustment:External screw.Weight:4.5 lb (2 kg).Deadband:See Ordering page.Agency Approvals:UL, CSA, FM for mercury switch models. UL only on snap switch models.