Intermatic EH40 Electronic Water Heater Time Switch IOS DDR WH 60 Hz Has Manual Override 60 Hz Has Manual Override Yes Has Override Switch Yes Knockout Dimensions Back (1) combination 1 2" 3 4" Knockout Dimensions Bottom (2) combination 1 2" 3 4" Knockout Dimensions Left (1) combination 1 2" 3 4" Number of Trippers Included 2 ON 2 OFF Watts Resistive 10000 Wire Size Max #8 AWG Wire Size Min #14 AWG Operating Temperature Max (°C) 54 Operating Temperature Max (°F) 130 Operating Temperature Min (°C) 40 Operating Temperature Min (°F) 40 Product Depth (in) 3 7 16 Product Height (in) 7 7 8 Product Width (in) 5 1 8 Unit Carton Height (in) 8 644 Unit Carton Width (in) 5 Battery Service Type: Replaceable Agriculture Feeders