Prier Box Cast Brass for C 135 137 155 157 158 C 155BX2 C 137NP 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) 600 Voltage Protection Rating (L L) 1000 Voltage Protection Rating (L N) 700 Voltage Protection Rating (N G) 700 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 This heavy duty brass box keeps the valve from being tampered with and secure behind a locked door The C 155BX can be used both indoor and out while keeping your sill faucet safe from vandals