Flush mount room temperature sensor with a 10,000 Ohm (Type II) NTC sensing element. This room sensor has a temperature range of –40 to 257 deg F (-40 to 125 deg C) and is designed for those applications where a covered room temperature sensor is not acceptable. It fits over a 2 x 4 electrical conduit box and uses a pigtail connection. This unit has a Desert Beige plastic cover.