The Dayton 4X066 Motor Start Capacitor is a reliable and high-quality component designed to provide the necessary power for starting HVAC and refrigeration motors. With a capacity ranging from 324 to 388 microfarads and compatible with 110 to 125VAC, this start capacitor ensures smooth and efficient operation. Manufactured by Dayton, a trusted brand in the industry, this new old stock (NOS) capacitor is a valuable addition to any HVAC system, offering durability and consistent performance for a wide range of applications.