18" THERMOCOUPLE; UNIVERSAL GAS PILOT CONTROL WITH ADAPTERS, DIMENSIONS:H-3",W-4,L-4", 30 MILLIVOLT, WEIGHT: .2LBS,  ALTERNATE PART # HO6E-18, FOR USE WITH GAS: WATER HEATERS, FURNACES, SPACE HEATERS AND LOGS, BLISTER PKG, MADE IN MEXICO