The 120790-01 Thermocouple Dual Wire 33 Inch Length with silver and brown transmitter wires that fits the Desa International Unvented Vent-Free infrared gas wall heater.
This 120790-01 Thermocouple fits the many of the Desa wall heaters sold by Home Depot and Lowe's store as well as other retailers throughout the United States and Canada
The 120790-01 is the thermocouple that is used on the 123630-02 LP Pilots ODS assembly and the 120630-03 Natural Gas Pilot ODS assembly.
This 120790-01 Thermocouple fits the following Vent-Free wall heaters as well as many other model heater:
Lowe's Unvented Vent-Free Infrared Wall Heater: LCR16PT, LCR18NT, LCR26PT, LCR30N,
Lowe's Unvented Vent-Free Infrared Wall Heater: HDR16PT, HDR18NT, HDR26PT, HDR30NT