Johnson Controls K16RA-48H Heavy Duty Coaxial Thermocouple 48" 20-30mV

SKU: K16RA-48H Brand:
Johnson Controls
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Specifications:

Attribute Details
48" Heavy Duty Coaxial Thermocouple, 20-30 Mv
With Thick Cappillary.
Coaxial Thermocouple Threads = 11/32"-32.
Johnson Controls K16Ra-48C
Nickel Plated
Blodgett Model?

Description

The Johnson Controls K16RA-48H Heavy Duty Coaxial Thermocouple that is used to detect the presence of a pilot flame in gas-fired systems. It has a 48-inch lead and a 20-30 millivolt output range that transforms the heat in the flame to an electrical signal that drives the gas valves. It is fitted close to the pilot assembly and it will assist in preventing the flow of gases in case the flame is not present. With time, sensitivity can be decreased due to heat exposure. A defective thermocouple can be replaced, and this will reinstate proper flame detection and assist ignition system operation.

More Information:

  • BLODGETT:03834 ,3834||JOHNSON CONTROLS:K16RA-48C ,K16RA-48H ,K16RA48||MONTAGUE:01036-7 ,1036-7 ,BR65-1 ,MON1036-7 ,MONBR65-1 ,MONP17-1 ,MONV2EG1 ,P17-1 ,V2EG1

Step1: Shut off gas supply and allow unit to cool completely.

Step2: Disconnect old thermocouple from pilot and control valve.

Step3: Clean pilot assembly area before installing new unit.

Step4: Position new thermocouple tip directly in pilot flame.

Step5: Thread connector into valve and tighten lightly.

Step6: Route tubing away from heat sources and sharp edges.

Step7: Restore gas and test for stable pilot operation.

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  • What maintenance is required for the Johnson Controls K16RA-48H Thermocouple?

    Keep the thermocouple tip clean and free from carbon buildup to ensure accurate flame sensing. Inspect the capillary tube regularly for kinks, cracks, or heat damage. Ensure threaded connections remain tight and corrosion-free for stable signal transmission and better burner operation.

  • What are common issues with the Johnson Controls K16RA-48H Thermocouple?

    • Cracked or damaged capillary tube reducing sensing accuracy.
    • Corroded or loose threaded connections affecting continuity.
    • Carbon buildup on probe leading to false flame readings.
    • Intermittent pilot flame detection failures.
    • Overheating causing sensor degradation and unstable output.