Rheem Water Heater Parts SP20166CRheem Water Heater Parts SP20166C is a gas control (thermostat) designed for natural gas (NG) water heater systems. This essential gas control ensures accurate temperature regulation and reliable operation, making it a dependable replacement part for your Rheem setup. Built to fit standard NG gas water heater configurations, the SP20166C offers precise thermostat control to maintain consistent hot water temperatures while protecting your family from

the pad resists microbial growth to keep airflow clean and reduce odors

Rectangular damper (14x24 inch) for easy duct integration

Overall dimensions: 14

It supports 4‑Heat/2‑Cool (heat pump) or 3‑Heat/2‑Cool (conventional) configurations with Auto/Manual Changeover to match your schedule and comfort needs

This Front Panel Assembly ensures clean alignment with the cabinet

with a 3" end-to-end distance

with components designed for reliable heat dissipation in continuous use

this motor is a straightforward swap for technicians

This high-quality air vent combines reliability with ease of installation

18x20 inch rectangular damper for standard Truezone installations

this control relay integrates smoothly into most Rheem furnace configurations and delivers long-term performance

Rotation: Counter-clockwise