Water Heater Upper Thermostat Melted

If the hot water heater is not working one of the thermostats may be bad.

Water heater upper thermostat melted.

The high limit switch is found on the location as the upper thermostat. Lower thermostat on hot water heater has melted plastic. I removed the upper and lower thermostat shields and found they were set at approx. This article deals with thermostats on electric water heaters.

This type of thermostat is for use in 2 element water heaters. They even do not work at the same time. The upper thermostat controls both the upper and lower element. This rheem marathon upper element thermostat is specifically designed to be used as the upper thermostat in a rheem marathon residential electric water heater.

When it goes bad you don t have any hot water at all. But the lower one detects any change in the temperature of the water. You can test them with the power off using an ohmmeter to measure resistance or with the power on using a voltmeter to measure voltage. The lower thermostat compartment had water soaking the insulation piece that i had to remove to see the thermostat.

Many modern homes come with dual element water heaters. Joan az hi my hot water heater is not working. Electric water heaters have one or two elements and each is controlled by a thermostat. Water heater smells like.

The thermostat on top acts as the primary one while having a high limit switch. Both thermostats on the same water heater do not have the same features. How to set the upper and lower thermostats on dual element water heaters. These water heaters often have a non simultaneous design which means that only 1 heating element is on at any given time.

If the electrical contacts on the thermostat mounted outside the water heater are overheating the plastic parts around the switch may overheat and burn.