{"product_id":"ao-smith-century-c-face-one-half-hp-motor-single-phase-115-230v-threaded-shaft-model-b657","title":"AO Smith Century C Face One Half HP Motor Single Phase 115 230V Threaded Shaft Model B657","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the A.O. Smith \/ Century C-Face 1\/2 HP Motor, model B657 — a purpose-built replacement that brings trusted reliability to your pool, spa, or HVAC equipment. Built on a heritage of more than 75 years in the electric motor industry, this motor embodies the same durability and performance you’ve counted on from A.O. Smith and Century, now under Regal Beloit’s global leadership.\u003c\/p\u003e \u003cp\u003eWhy choose this motor? because it’s designed for straightforward retrofit and long-term dependability. The Century\/A.O. Smith brand has supplied OEM replacements and replacement motors to HVAC and pool\/pump distributors for decades, continually advancing with the market’s demand for dependable, easy-to-maintain solutions. That legacy translates into a motor you can trust to keep essential systems running smoothly season after season.\u003c\/p\u003e \u003ch3\u003eKey specifications and standout features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHorsepower:\u003c\/strong\u003e 1\/2 HP — a balanced option for mid-range pool\/spa pumps and select HVAC components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpeed:\u003c\/strong\u003e 1-S (single-speed) — simple, predictable operation and easy replacement without extra controls.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 115\/230V dual voltage — flexible installation across different power setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e C-face mounting — standard footprint that aligns with a wide range of equipment for quick swaps.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShaft:\u003c\/strong\u003e Threaded shaft (Thd) — secure pulley or coupling attachment for reliable drive belts and accessories.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e B657 — specific designation to help ensure compatibility with OEM specifications and aftermarket replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems this motor solves\u003c\/h3\u003e\n\u003cp\u003eFar too often, equipment downtime stems from an aging, hard-to-replace motor. The A.O. Smith \/ Century 1\/2 HP motor is engineered to slot into trusted OEM configurations, minimizing downtime and the guesswork of replacements. Whether you’re retrofitting an aging pool pump, upgrading a spa circulation pump, or replacing a failing HVAC blower motor, this unit offers a reliable, ready-to-install solution that supports continuous operation and consistent performance.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePool and spa pumps — a proven fit for common pool equipment lines and spa jet assemblies.\u003c\/li\u003e \u003cli\u003eHVAC circulation and air handling — suitable for select residential and light commercial systems that match the mounting and voltage specs.\u003c\/li\u003e \u003cli\u003eOEM replacement projects — ideal for technicians and distributors focused on quality, long-lasting motor replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this stands out from alternatives\u003c\/h3\u003e\n\u003cp\u003eBeyond the specs, you’re buying into a legacy of reliability. A.O. Smith\/Century motors are part of a broad, globally supported product line with a history of serving OEMs and replacement parts needs across the United States, Mexico, China, and Europe. This means easier sourcing, consistent quality, and a track record you can rely on when you’re restoring systems that customers depend on.\u003c\/p\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMatch the voltage to your system (115V or 230V) to ensure proper starting torque and runtime.\u003c\/li\u003e \u003cli\u003eVerify the mounting pattern and shaft dimensions (C-face and threaded shaft) to guarantee a seamless fit with existing pulleys, hubs, or couplings.\u003c\/li\u003e \u003cli\u003eConfirm single-speed operation is appropriate for your application to avoid compatibility issues with variable-speed controls.\u003c\/li\u003e \u003cli\u003eMaintain compatible equipment documentation and wiring diagrams during replacement for safe, efficient installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the A.O. Smith \/ Century C-Face 1\/2 HP Motor (B657), you’re choosing a replacement motor built on a proven foundation, backed by a global network and a family of products designed to keep residential, commercial, and industrial systems running smoothly. Ready for your next replacement? This motor is prepared to deliver dependable performance when you need it most.\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","brand":"A.O. Smith (AOS) \/ Century Electrical","offers":[{"title":"Default Title","offer_id":40241191485482,"sku":"B657","price":230.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/products\/35-126-1370_xl.jpg?v=1769976029","url":"https:\/\/bathparts.com\/products\/ao-smith-century-c-face-one-half-hp-motor-single-phase-115-230v-threaded-shaft-model-b657","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}