Electric Hot Water Heater Thermostat Reset Button

Some tanks have two thermostats and two reset buttons.

Electric hot water heater thermostat reset button.

The reset button is also sometimes referred to as the eco emergency cut off switch or high limit safety thermostat switch. An electric water heater reset button is positioned above the thermostat which is behind a panel on the front of the tank. To reset it you ll need to press the red reset button on the eco which is usually attached to the upper thermostat. Other reasons for a hot water heater reset button to trip.

So the red reset button on your electric water heater keeps popping out and needing to be reset. When the button trips you reset it by pushing it in. The water in your water heater is getting too hot. When a water heater starts tripping the eco repeatedly it s time to call a plumber for service.

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. Here s the most likely problem. When the water temperature in your water heater exceeds 180 the red reset button also known as the high limit switch trips.