Reduced Pressure Zone Assembly, Size 3 in, Connection Flanged, Body Material Cast Iron, Temp. Range 33 Degrees to 110 Degrees F, Max. Temp. 110 Degrees F, Max. Pressure 175 psi, Features Domestic Non-Rising Stem Resilient Seated Gate Valves, Features an Integrated Flood Sensor with Sentryplus Alert Technology, Unique Patented Air-In and Water-Out Design, Utilizes Advanced ArmorTek Coating Technology, Standards AWWA C511-92, IAPMO PS 31, USC Manual for Cross Connection Control 8th Edition