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Thermocouple Fittings for Air Process Heaters

This fitting screws onto the outflow end of a compatible air process heater and allows for insertion of a thermocouple, which, along with a PID controller, forms the temperature control system.

Measurements and Assembly

Refer to the illustration and table below for measurements. This illustration also shows how the fitting and thermocouple are installed.

Labeled illustration of thermocouple fitting dimensions

TC-5 TC-75 TC-1 TC-125
A & B 1/2" NPT 3/4" NPT 1" NPT 11/4" NPT
C 13/8" 11/2" 13/4" 2"
D 11/8" 13/8" 15/8" 2"
E 0.562" 0.625" 0.687" 0.719"
F 9/16" 7/16" 3/8" 1/4"
Compatible heaters 5/8" Standard; Pure Flow. 3/4" Standard. Heavy-Duty. 11/4" Standard.