Discharge Air Temperature Sensor, 8 Inch Insertion Length, 40/150 Degree Operating Temperature Range, 1097 Ohm @ 77 Degree NTC, For Use as Primary and/or Secondary Sensor, Mounts on Flat Duct or Plenum Surface with Integral Flange or in a 2x4 Inch Junction Box

Indoor Temperature Sensor, High Accuracy, -60/127 Degree Temperture Range , +/- 2 Degree Accuracy, Wall Mount, For Use with W7000 Load Control Systems, W7025 Data Processing Panel and w9076 Digital Temperature Indicator

Cadmium Sulfide Photocell, 1/2 Inch NPT Connection, Senses Ambient Light Levels, Used with CR7075A Series

UV DETECTOR 120/230 SHUTTER

Ultraviolet Flame Detector, Dynamic Self Checking Purple Peeper, 120vac, 3/4 Inch Mounting, 77 Inch Color Coded Lead Wires, Nema 4 Rated, -40/175 Degree Ambient Temperature Rating, Used with R7861 Dynamic Self Check Amplifiers, For Use on Combustion Gas, Oil and Other Fuels

Ultraviolet Flame Detector, Dynamic Self Checking Purple Peeper, 120vac, 3/4 Inch Mounting, 96 Inch Color Coded Lead Wires, Nema 4 Rated, -40/175 Degree Ambient Temperature Rating, Used with R7861 Dynamic Self Check Amplifiers, For Use on Combustion Gas, Oil and Other Fuels

Ultraviolet Flame Detector, Dynamic Self Checking Purple Peeper, 120 or 230vac, 3/4 Inch Mounting, Terminal Block Connections, Nema 4 Rated, -40/175 Degree Ambient Temperature Rating, Used with R7861 Dynamic Self Check Amplifiers, For Use on Combustion Gas, Oil and Other Fuels