Marathon SP210246 Heavy Duty Upper Thermostat

The SP210246 is the replacement thermostat for the upper element on Marathon heavy duty water heaters.

If your water heater does not appear to be maintaining the water temperature, you may need a new thermostat. A properly functioning thermostat is integral to the proper operation of your electric water heater.

Marathon carries a full line of replacement service parts for their water heaters. Always verify that the service part you are purchasing is compatible with the Marathon model number you are servicing.


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The SP210246 is compatible with the following Marathon models:

If you are looking for the lower thermostat for Marathon heavy duty models, please see part number SP310020.