Rheem Water Heater Parts SP20166A Water Heater Gas Control ThermostatRheem Water Heater Gas Control Thermostat SP20166A is the ideal replacement part for natural gas Rheem water heaters. This gas control (thermostat) NG delivers precise temperature regulation, reliable operation, and efficient performance. As a trusted Rheem water heater part, the SP20166A model fits a wide range of gas control assemblies, restoring consistent hot water and energy efficiency to your system. Use as a direct replacement thermostat to

ensuring consistent temperatures and reliable performance

10-inch round duct design for versatile installation in residential or light commercial systems

Contact Terminal for reliable connections

Auto/Manual changeover

4 A locked rotor

Compatibility: Maxitrol gas regulator systems

7 A @ 240V (full load)

Applications include hydronic heating systems

easy-to-install solution for ongoing maintenance

this igniter minimizes downtime and keeps your pool ready for swimming season

round form simplifies panel mounting and reduces space requirements in crowded equipment closets

Designed to endure regular operation