How do you check a SPARK IGNITOR on a Furnace?!
In today's video, I will show you how to troubleshoot a spark ignitor safely. You can't use your meter due to the high voltage the spark ignitor receives. I use what is called an inline spark tester to test it. Enjoy!
https://a.co/d/2dHXebo
Only professionals in this trade should attempt to work on live equipment.
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