The Rheem PROTECH Upper Thermistor/ECO Replacement Kit contains everything that you need to replace the Thermistor/ECO Assembly on your Rheem Super Sentinel water heater. This kit repairs Super Sentinel water heaters that may have faulty Upper Thermistor/ECO assemblies. Kit ensures safe and reliable operation.
Kit includes: upper thermistor and ECO
For use on Rheem Performance Platinum Water Heaters Equipped with the Plus One Management System