Amazon.com: Zero 24" Universal Replacement Thermocouple for Gas Furnaces,Boilers and Water Heater,Compatible with Honeywell,Mars,Johnson,Robertshaw,Penn,Johnstone, Johnson Controls Thermocouple : Industrial & Scientific
H06E-48 - White Rodgers H06E-48 - 48" Universal Replacement Thermocouple
MR. HEATER 12-1/2 In. Replacement Thermocouple - Power Townsend Company