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Podcast: HVAC School - For Techs, By Techs
Episode: Short #42 - Myth - Flame Rods
Description: In this short podcast episode, we discuss the common myth about cleaning flame rods/sensors/rectification devices. Flame sensors or rectification rods are NOT the same as thermocouples or thermopiles. Thermocouples and thermopiles use two dissimilar metals to create a temperature differential. So, we do not clean thermocouples and thermopiles because the heavy abrasives in cleaners can damage and reduce the effectiveness of those devices. However, you don't have to worry about that sort of damage on a flame sensing rod; we can indeed clean those. The flame rod sits in the flame (regardless of...