Prier C 534Y 22" Anti Siphon Wall Hydrant 1 2"Press Fit C 534Y22 077985027049 pressure activated wiper seal and tapered pressure activated wiper seal and tapered riser stem on both plastic and stainless steel models protect internals from debris to ensure positive pop up and retraction Red LED Service Indicator Maximum Continuous Operating Voltage (L G) 552 Maximum Continuous Operating Voltage (L L) 552 Maximum Surge Current Rating Per Mode 100 kA Nominal Discharge Current 20 kA RoHS Certification Yes Short Circuit Current Rating 200 kA Surge Protection LED Indicator Yes Voltage Protection Rating (L G) 1800 Voltage Protection Rating (L L) 4000 Wire Size Max #10 AWG Operating Temperature Max (°C) 80 Operating Temperature Max (°F) 176 Operating Temperature Min (°C) 40 Operating Temperature Min (°F) 40 Product Depth (in) 3 The hydrant is connected to the supply piping in the heated portion of the structure Drains automatically with hose attached