Upgrade your motor startup with the A.O. Smith / Century Start Capacitor, a trusted replacement part designed for reliability in residential, commercial, and industrial applications. Engineered for versatility, this unit covers a practical 53-64 MFD microfarad range at 230V, making it a fit for a wide array of single‑phase motors in HVAC systems, pool and spa equipment, and other equipment that relies on a robust starting kick.

Why this capacitor matters when replacing a worn or failing part: a properly matched start capacitor delivers a precise burst of energy that helps the motor overcome initial inertia, improves starting reliability, and supports smoother operation during startup. With a 230V rating, it aligns with common outdoor condensers, air handlers, and pool pump configurations, reducing the guesswork during service or stocking for a service fleet.

Key specifications at a glance

• Capacitance range: 53–64 MFD
• Voltage: 230V
• Physical footprint: 1 7/16" x 2 3/4" (compact and easy to fit in tight motor housings)
• Brand legacy: A.O. Smith / Century, backed by Regal Beloit America’s global manufacturing and distribution network
• Part recognition: Model reference 15769903 for precise replacement alignment

Ideal for a wide range of applications, this Century start capacitor is well-suited for technicians stocking spare parts for:

• Air conditioning compressors and outdoor condenser units
• Pools, spas, and hot-tub equipment with PSC motors
• Commercial HVAC components and other single‑phase motors requiring reliable startup assistance

What sets this capacitor apart from generic replacements

• Heritage and consistency: Built on the long-standing A.O. Smith / Century engineering lineage, with the quality expectations that service professionals rely on.
• Global support, local availability: Part of Regal Beloit America’s extensive network, ensuring ready availability and consistent performance across OEMs and aftermarket channels.
• Designed for real-world use: The 53–64 MFD range covers a broad spectrum of motor designs, minimizing the need for multiple capacitor variants while maintaining precise startup torque.

Practical installation and care tips

• Verify motor specifications and confirm that 230V and 53–64 MFD match the target unit’s requirements before installation.
• Handle with care to avoid physical damage to the capacitor shell; ensure proper wiring per your motor’s diagram or service manual.
• Store spares in a cool, dry location to extend shelf life and readiness for the next service call.
• For complex systems or unfamiliar configurations, consult the motor’s label and technical sheet to confirm compatibility with A.O. Smith / Century parts.

With decades of experience supporting HVAC, pool, and industrial equipment, A.O. Smith / Century continues to provide dependable motor replacement components that service technicians can trust. If you’re maintaining or upgrading a system that relies on a reliable start capacitor, the 53–64 MFD, 230V Century capacitor is a precise, durable choice that aligns with the needs of today’s electronically controlled motors and their efficiency improvements.