One of the most basic skills a plumber should have is repairing a tank-type water heater. So far I have covered initial troubleshooting steps, specifics on diagnosing whether something is a water tank problem or a gas control issue, and the testing of thermocouples, piezos and...
Water Heater Repair Tutorial: Temperature Sensors, Erratic Combustion and Thermal Switches
The author provides some more troubleshooting and repair tips in the final installment of this four-part series
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