this OEM AC capacitor provides the exact physical dimensions and terminal configuration required for a professional drop-in replacement on residential heat pumps and air conditioning units

Replacing a manual reset limit switch with an auto-reset version is a safety violation

Always verify static pressure and airflow during installation

the 660149R is the correct technical substitute

or physical wear from the frother blade if the motor shaft becomes misaligned

Rheem-Ruud 42-21571-08 Relay this OEM AC capacitor providesThe Rheem Ruud 42 21571 08 Relay is an essential 24V SPST Normally Open control relay specifically engineered for high cycle reliability in residential and commercial HVAC equipment. As a genuine OEM Rheem replacement part, this relay provides a precise match for voltage requirements and mechanical mounting within Rheem and Ruud air handlers, furnaces, and condensing units. It handles switching for internal fan motors, compressors, and auxiliary