Prier P 754M 10" Heavy Commercial Hot and Cold Wall Hydrant 3 4"MPT P 754M10 B65021NP Radius adjustment screw allows radius Radius adjustment screw allows radius reduction up to 25% without changing nozzles Red LED Service Indicator Maximum Continuous Operating Voltage (L G) 150 Maximum Continuous Operating Voltage (L L) 300 Maximum Continuous Operating Voltage (L N) 150 Maximum Continuous Operating Voltage (N G) 150 Maximum Surge Current Rating Per Mode 50 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) 1200 Voltage Protection Rating (L L) 1200 Voltage Protection Rating (L N) 600 Voltage Protection Rating (N G) 600 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 Heavy duty brass piping The integral vacuum breaker backflow preventer provides protection against cross contamination with the potable water system