The reset button is also sometimes referred to as the eco emergency cut off switch or high limit safety thermostat switch.
Electric hot water heater thermostat reset button.
Other reasons for a hot water heater reset button to trip.
Here s the most likely problem.
When the button trips you reset it by pushing it in.
Some tanks have two thermostats and two reset buttons.
To reset it you ll need to press the red reset button on the eco which is usually attached to the upper thermostat.
If it won t stay in it may mean that you have to make repairs.
When a water heater starts tripping the eco repeatedly it s time to call a plumber for service.
The water in your water heater is getting too hot.
The hot water heater reset is actually a high limit safety thermostat switch that disconnects the power to the water heater if the water exceeds a preset temperature.
The high limit switch is bad.
So the red reset button on your electric water heater keeps popping out and needing to be reset.
Your water heater reset button is a safety device that shuts off power to your water heater when the water temperature inside it exceeds 180 degrees fahrenheit.