This is how to test out a 30MV Thermocouple. I show you what the open circuit DC voltage should be as well as the closed-circuit voltage when the thermocouple is powering the gas valve. I go over the difference between a Low Mass Thermocouple and a standard Thermocouple! Supervision is needed by a licensed HVAC Tech before doing this as Experience and Apprenticeship garners Wisdom and Safety.

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Information in this video is intended for educational purposes only. Any work related to the topics in this video should be performed by licensed technicians or by apprentices under the supervision of licensed technicians. AC Service Tech LLC is not responsible for any possible damages or injuries caused by the use or misuse of any information provided.
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