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The Rheem SP20166E is a control thermostat designed for use with natural gas water heaters. This thermostat regulates water temperature by adjusting the gas flow as needed. It plays a crucial role in ensuring the safety of the water heater by managing the ignition process and shutting off gas in case of an issue.
This thermostat is an OEM part, which means it meets the specific requirements set by Rheem.
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