What is a water heater ECO switch?
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Also know, what does eco mean on water heater?
Energy Cutoff Switch (ECO) Gas water heater safety device that shuts off the gas supply to the unit if water temperature exceeds 190°F. The ECO is a single-use switch and requires complete replacement of the entire thermostat if activated.
Subsequently, question is, where is the reset button on electric water heater? The water heater reset button is the red button located on the water heater itself (just above the thermostat). Some water heaters may have two reset buttons-one for each thermostat. To access the reset button, you may have to remove the metal plate covering the thermostat that's held in place by screws.
In this regard, what causes a water heater reset button to trip?
While a bad thermostat is the most common reason your water heater's reset button may trip, it's not the only one. Other common causes include: A shorted heating element—It may be that the thermostat is working just fine and shutting off the heating element.
What does a thermal switch do on a water heater?
A thermal switch is installed in newer gas water heaters as a safety device. Blocked vents at the top and bottom of the water heater can cause excessive heat buildup inside the chamber and trip the thermal switch, shutting off the gas supply to the burner assembly.