In this HVAC Training Video, I Show How the Thermocouple, Solenoid, and Pilot Flame Work on a Water Heater and 10 Problems That Can Occur When Trying to Light a Water Heater Pilot! I cover Why the Pilot Flame Goes Out or Won't Stay On! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.

Tools Used In The Video

Thermocouple Tester: https://amzn.to/3k51t5c
UEI DL479 Multimeter with temp sensor http://amzn.to/2jtsUbJ
Magnet Jumpers- https://amzn.to/2PyKPQZ
Alligator Jumpers- https://amzn.to/2PxqJXn
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Timecodes

0:00 - Intro on How to Light The Water Heater Pilot
1:20 - How the 30mv Thermocouple and Solenoid Work
2:06 - Proving the Flame by Heating the Thermocouple & Viewing the Solenoid
2:33 - Problem #1 Water Heat Spark Ignitor Not Working
3:38 - Additional Sparker & How to Light the Water Heater Pilot
5:24 - Problem #2 Gas Off or Low Inlet Pressure to Water Heater
6:18 - Problem #3 Pilot Flame Too Small, Low Pilot Pressure
7:27 - Problem #4 Pilot Flame Termination Bent, Not Enveloping the Thermocouple
7:46 - Problem #5 Thermocouple Position is Wrong
8:09 - Problem #6 Water Heater Thermocouple Rod is Dirty, Needs Cleaning
8:24 - Cleaning a 30mv Thermocouple with Steel Wool or Dollar Bill
8:53 - Problem #7 Testing for a Bad Water Heater 30mv Thermocouple
10:22- Measuring Millivolts of Water Heater Thermocouple with Multimeter
10:42 - How to Use a Thermocouple Tester
11:18 - How many Millivolts does a Good Thermocouple Produce
13:04 - Problem #8 Bad Water Heater Thermal Limit and Testing
16:02 - Problem #9 Wind Blowing Pilot Flame Out on Water Heater
16:36 - Problem #10 Bad Water Heater Solenoid and Testing
17:56 - Resources at our Website
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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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