Water Heater Upper Thermostat Melted

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.
Water heater upper thermostat melted. The thermostat on top acts as the primary one while having a high limit switch. If the electrical contacts on the thermostat mounted outside the water heater are overheating the plastic parts around the switch may overheat and burn. This article deals with thermostats on electric water heaters. Burning rubber or plastic if you smell burning rubber or burning plastic turn off the power source at the breaker first before trying to pinpoint the smell.
I removed the upper and lower thermostat shields and found they were set at approx. Joan az hi my hot water heater is not working. Water heater smells like. If the hot water heater is not working one of the thermostats may be bad.
These water heaters often have a non simultaneous design which means that only 1 heating element is on at any given time. The upper thermostat controls both the upper and lower element. A dual element water heater uses two heating elements controlled. This type of thermostat is for use in 2 element water heaters.
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. How to set the upper and lower thermostats on dual element water heaters. Many modern homes come with dual element water heaters.
But the lower one detects any change in the temperature of the water. They even do not work at the same time. The lower thermostat compartment had water soaking the insulation piece that i had to remove to see the thermostat. The high limit switch is found on the location as the upper thermostat.
Electric water heaters have one or two elements and each is controlled by a thermostat.