How to Check for Reverse Polarity and Proper Ground on a Radiant Tube Heater

Introduction   If your radiant tube heater has a flame-sensing issue, the flame sensor itself is not the only thing to check. Reverse polarity or an improper ground can also contribute to the problem. Checking the electrical supply helps determine whether either condition needs to be addressed before continuing with flame-sensor troubleshooting. For the Detroit […]

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