{"product_id":"a-o-smith-century-c-face-three-quarter-hp-motor-2-speed-115v-b973-replacement-for-hvac-systems","title":"A.O. Smith Century C Face Three Quarter HP Motor 2 Speed 115V B973 Replacement For HVAC Systems","description":"\u003cdiv\u003e\n\u003ch1\u003eA.O. Smith Century C-Face 3\/4 HP Motor (B973) – 115V, 2-Speed\u003c\/h1\u003e \u003cp\u003eMeet the A.O. Smith Century C-Face 3\/4 HP motor, model B973—a dependable, field-proven replacement designed for pool and spa equipment as well as HVAC blowers. Built on the trusted Century\/A.O. Smith lineage and supported by Regal Beloit’s global network, it delivers consistent performance across residential and light-commercial settings.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e\u003clett\u003eTwo-Speed Operation\u003c\/lett\u003e\u003c\/b\u003e: Switch between higher speed for peak demand and lower speed for efficient, quieter operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e\u003clett\u003eC-Face Mounting\u003c\/lett\u003e\u003c\/b\u003e: Standard C-Face pattern ensures broad compatibility with a wide range of housings and drive ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e115V Single-Phase\u003c\/b\u003e: Simple, common electrical supply wiring for easy installation in home or light-commercial setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e3\/4 HP Rating\u003c\/b\u003e: Adequate torque for pool pumps, spa jets, and related equipment requiring reliable, steady performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM-Grade Construction\u003c\/b\u003e: Originally from Century\/A.O. Smith, backed by a broad distribution network for quick replacements and service parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel\/Part Number\u003c\/b\u003e: B973 ensures you’re selecting the exact replacement matched to existing equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIdeal Applications\u003c\/b\u003e: Replaces aging C-face motors in swimming pool pumps, spa systems, and HVAC blowers where space and reliability matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis genuine A.O. Smith \/ Century replacement minimizes downtime with a field-friendly retrofit path. Two-speed versatility helps tailor performance to the task—use the higher setting for demanding cycles and the lower setting during low-demand periods to reduce energy use and wear. The familiar C-Face mounting simplifies installation into standard OEM housings and drive ends, while 115V wiring keeps connections straightforward for residential and light-commercial projects. With decades of engineering rigor and a robust supply network, you gain a trusted part designed to perform consistently over time, whether you’re maintaining a home pool, a commercial spa, or an HVAC air handler.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003eMeet the A.O. Smith \/ Century C-Face 3\/4 HP Motor, model B973—a dependable, ready-to-retire replacement designed for the way you actually run your equipment. Built on the long-standing legacy of A.O. Smith and Century, and supported today by Regal Beloit’s global network, this motor delivers consistent performance across residential, commercial, and light-industrial applications.\u003c\/p\u003e \u003ch3\u003eKey advantages that set this motor apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-speed versatility (2-S):\u003c\/strong\u003e Switch between higher speed for peak demand and a lower speed for efficient, quieter operation. This flexibility helps tailor performance to the task at hand without overworking the system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eC-Face mounting compatibility:\u003c\/strong\u003e A familiar mounting pattern that fits a wide range of housings and drive ends, simplifying retrofit or replacement in integral horsepower, pool, and HVAC equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e115V single-phase power:\u003c\/strong\u003e Designed for standard electrical supply, making wiring straightforward for common residential and light-commercial setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3\/4 HP capability:\u003c\/strong\u003e Sufficient power for common pool pumps, spa jets, blower assemblies, and related equipment that rely on reliable torque and steady operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-grade construction and availability:\u003c\/strong\u003e Originating from the Century\/A.O. Smith line, this motor is built to OEM expectations and supported by a broad distribution network for quick replacements and service parts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear identification for easy ordering:\u003c\/strong\u003e The B973 designation helps ensure you’re selecting the exact replacement that matches your existing equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and practical use cases\u003c\/h3\u003e\n\u003cp\u003eThis motor is particularly well-suited for replacing aging Century\/A.O. Smith C-face motors in swimming pool pumps, spa jets, and related pool\/spa equipment. It also serves well in HVAC blowers or air handlers where a compact, reliable two-speed drive can improve system balance. Whether you’re maintaining a residential pool, a commercial spa, or a public-facing HVAC system, this motor provides a straightforward, field-friendly replacement option.\u003c\/p\u003e \u003ch3\u003eWhat to know for installation and operation\u003c\/h3\u003e\n\u003cp\u003eWhen swapping in this motor, verify that the mounting pattern and drive-end alignment match your existing setup. Because this is a genuine Century\/A.O. Smith replacement, you’ll benefit from compatibility with standard OEM housings and accessories, reducing downtime and fitment surprises. For best results, pair the lower-speed setting with low-demand periods to minimize wear and energy use, and perform regular checks on bearings and electrical connections to extend service life.\u003c\/p\u003e \u003ch3\u003eWhy choose a genuine A.O. Smith \/ Century replacement motor\u003c\/h3\u003e\n\u003cp\u003eThis motor embodies decades of engineering rigor and a proven track record in HVAC, pool, and spa ecosystems. With the reach of Regal Beloit’s manufacturing and distribution network, you’ll find reliable supply, easy service, and confidence that the replacement will perform consistently over time. For professionals stocking service fleets or homeowners seeking a trustworthy, field-proven part, the A.O. Smith \/ Century 3\/4 HP C-Face motor offers a smart, durable solution that keeps critical systems running smoothly.\u003c\/p\u003e \u003cbr\u003e \u003ctable border=\"0\" cellpadding=\"5\" cellspacing=\"5\"\u003e\n\u003ctr\u003e\n\u003ctd width=\"60%\"\u003e\n\u003cspan class=\"bspotext12h\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eWHY USE A.O. SMITH (AOS)\/CENTURY PRODUCTS?\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e \u003c\/td\u003e\n\u003ctd width=\"15%\"\u003e \u003cbr\u003e\n\u003c\/td\u003e \u003ctd width=\"25%\" valign=\"top\"\u003e \u003c\/td\u003e \u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\"\u003e\n\u003cp\u003e\u003cspan class=\"bspotext8n\"\u003e Regal Beloit America, Inc. (Century Electric Motors \/ A.O. Smith Electric Motors) is a leading supplier of electric motors for residential, commercial, and industrial applications. With operations in the United States, Mexico, China, and Europe, Regal Beloit America, Inc. has the ability to serve its customers electric motor needs on a global basis. We offer a comprehensive line of hermetic motors (used in air conditioning compressors), fractional horsepower A\/C and D\/C motors, and integral horsepower motors. We sell our products directly to original equipment manufacturers (OEMs), and replacement motors to HVAC and pool\/pump distributors.\u003cbr\u003e\n\u003cbr\u003e\nBath \u0026amp; Spa Parts Online is proud to say that we have carried and sold Century\/A.O. Smith (AOS) replacement motors since we started in the Bath \u0026amp; Spa industry in the early 1980's. At this time, the company was introducing their Centurion switchless, permanent split capacitor motors for the swimming pool, spa, and jetted tub industries. A.O. Smith (AOS)\/Century has been committed to providing quality products for more than 75 years, and that commitment continues today. If you have any questions about their product line, please feel free to ask us. We carry the complete line of their products!\u003cbr\u003e\n\u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e \u003cbr\u003e \u003ctable border=\"0\" cellpadding=\"5\" cellspacing=\"5\"\u003e\n\u003ctr\u003e\n\u003ctd width=\"60%\"\u003e\n\u003cspan class=\"bspotext12h\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eWHY USE A.O. SMITH (AOS)\/CENTURY PRODUCTS?\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e \u003c\/td\u003e\n\u003ctd width=\"15%\"\u003e \u003cbr\u003e\n\u003c\/td\u003e \u003ctd width=\"25%\" valign=\"top\"\u003e \u003c\/td\u003e \u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\"\u003e\n\u003cp\u003e\u003cspan class=\"bspotext8n\"\u003e Regal Beloit America, Inc. (Century Electric Motors \/ A.O. Smith Electric Motors) is a leading supplier of electric motors for residential, commercial, and industrial applications. With operations in the United States, Mexico, China, and Europe, Regal Beloit America, Inc. has the ability to serve its customers electric motor needs on a global basis. We offer a comprehensive line of hermetic motors (used in air conditioning compressors), fractional horsepower A\/C and D\/C motors, and integral horsepower motors. We sell our products directly to original equipment manufacturers (OEMs), and replacement motors to HVAC and pool\/pump distributors.\u003cbr\u003e\n\u003cbr\u003e\nBath \u0026amp; Spa Parts Online is proud to say that we have carried and sold Century\/A.O. Smith (AOS) replacement motors since we started in the Bath \u0026amp; Spa industry in the early 1980's. At this time, the company was introducing their Centurion switchless, permanent split capacitor motors for the swimming pool, spa, and jetted tub industries. A.O. Smith (AOS)\/Century has been committed to providing quality products for more than 75 years, and that commitment continues today. If you have any questions about their product line, please feel free to ask us. We carry the complete line of their products!\u003cbr\u003e\n\u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"A.O. Smith (AOS) \/ Century Electrical","offers":[{"title":"Default Title","offer_id":40241192370218,"sku":"B973","price":326.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/products\/35-126-1314_xl.jpg?v=1769976029","url":"https:\/\/bathparts.com\/en-um\/products\/a-o-smith-century-c-face-three-quarter-hp-motor-2-speed-115v-b973-replacement-for-hvac-systems","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}