Electronic Temperature Sensor, 20k Ohm, Duct Discharge Applications, 144 Inch Insertion Length, 40/180 Degree Operating Temeprature, Used with DDC Systems, PT1000, 1097 Ohms @ 77 Degrees PTC

Ultraviolet Minipeeper Flame Detector, For Use on Coal, Gas and Oil Fired Burners, Nema 3 and Nema 4 Rated, Integral Nut for 1 Inch Sighting Pipe Mounting, 72 Inch Lead Length, 0/250 Degree Ambient Temperature Rating