Averaging Duct Temperature Sensor, 13 Inch Insertion Length, 40/150 Degree Operating Temperature, Recessed 1/4 Inch Quick Connect Terminals, 3/4 Inch Diameter Sensor Probe, 22.8K Ohm @ 77 Degree NTC, Used with W7080 Series

Averaging Duct Temperature Sensor, 13 Inch Insertion Length, 40/220 Degree Operating Temperature, Recessed 1/4 Inch Quick Connect Terminals, 3/4 Inch Diameter Sensor Probe, PT3000, 3484 Ohms @ 25 Degrees Celcius PTC, Used with the T775 Series

Averaging Duct Temperature Sensor, 13 Inch Insertion Length, 40/220 Degree Operating Temperature, Recessed 1/4 Inch Quick Connect Terminals, 3/4 Inch Diameter Sensor Probe, PT1000, 1097 Ohms @ 77 Degrees PTC, Used with the Excel 500 and T775 Series 2000

Wall Mount Temperature Sensor, -40/100 Degree Operating Temperature, Intended for Monitoring or Controlling Temperature in Conjuction with an Electronic Control, Used with R7380J,L , W7100, W7600, W7620 Series