Prier P 154F CC Hose Thread Anti Siphon Vacuum Breaker Wall Hydrant; 3 4" SWT **Lead Free** P 154FCC LF A37461 This 3 4 inch reduced pressure This 3 4 inch reduced pressure zone assembly is designed to prevent the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements 120 VAC Operating Temperature Max (°C) 55 Operating Temperature Max (°F) 131 Operating Temperature Min (°C) 0 Operating Temperature Min (°F) 32 Product Height (in) 1 3 8 Product Height (mm) 35 Unit Carton Height (in) 2 The PRIER P 154 has all the characteristics of the historically proven C 134 with the added protection of a hose threaded anti siphon vacuum breaker and backflow check valve 25%) for wetted surface area