In This HVAC Training Video, I Show UP CLOSE How the Thermocouple, Pilot Light, and Gas Valve Work on a Water Heater, Furnace, Fireplace, as well as other Appliances. I Explain the Top 10 Reasons Why the Gas Pilot Light Goes out or Won't Stay Lit. I Show How the Thermocouple Works, Troubleshooting, and Replacement. I go over wind or pressurization blowing the pilot light out. I show what a bad thermocouple looks like. I explain how to light the pilot as well as other problems. I use a multimeter to measure the millivolts on a 30 mv thermocouple. I show the dc milli-volts it takes to hold the solenoid open on a combination gas valve. Supervision is needed by a licensed HVACR Tech while doing this as Experience and Apprenticeship garners Wisdom and Safety.

Tools Used In The Video

UEI DL479 Multimeter With Temp Sensor http://amzn.to/2jtsUbJ
Alligator Jumpers- https://amzn.to/2PxqJXn
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Our Related Playlist

Furnace Troubleshooting Playlist:    • Gas Furnace Sequence of Operation! He...  
Gas Furnace Ignition Troubleshooting:    • Gas Furnace Smart Valve, Ignitor, and...  
Thermocouple Playlist:    • How a Combination Gas Valve and Therm...  
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⚠️ Disclaimer:
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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