{"product_id":"rheem-ruud-51-21854-17-motor","title":"Rheem-Ruud 51-21854-17 Motor","description":"\u003cp\u003eThe \u003cstrong\u003eRheem-Ruud 51-21854-17 Motor\u003c\/strong\u003e is a high-performance \u003cstrong\u003e1\/6 HP condenser fan motor\u003c\/strong\u003e engineered for demanding outdoor HVAC applications. Built as a \u003cstrong\u003ePermanent Split Capacitor (PSC)\u003c\/strong\u003e motor, this unit operates at \u003cstrong\u003e1075 RPM\u003c\/strong\u003e on \u003cstrong\u003e208-230V\u003c\/strong\u003e single-phase power, drawing only 0.75 Amps at full load. This \u003cstrong\u003e48 NEMA frame\u003c\/strong\u003e motor features a \u003cstrong\u003etotally enclosed enclosure\u003c\/strong\u003e to protect internal windings from environmental debris and moisture, ensuring consistent heat transfer across the condenser coils.\u003c\/p\u003e\n\u003cp\u003eDesigned for direct-drive applications, the \u003cstrong\u003e51-21854-17\u003c\/strong\u003e utilizes a \u003cstrong\u003eshell-band mount\u003c\/strong\u003e and a \u003cstrong\u003e1\/2 inch x 3 11\/16 inch shaft\u003c\/strong\u003e. Professional technicians value the \u003cstrong\u003eCCW rotation\u003c\/strong\u003e (counter-clockwise) and the reliable \u003cstrong\u003esleeve bearing\u003c\/strong\u003e construction, which provides quiet operation in residential and light commercial units. This \u003cstrong\u003eOEM replacement motor\u003c\/strong\u003e is compatible with various \u003cstrong\u003eRheem, Ruud, and Weather King\u003c\/strong\u003e condensing units, including the FADC and RADD series. For optimal performance, pair this motor with a \u003cstrong\u003e3 MFD \/ 370V run capacitor\u003c\/strong\u003e to maintain specified torque and efficiency during peak summer cycles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Exact drop-in replacement for \u003cstrong\u003eProTech 51-21854-17\u003c\/strong\u003e and \u003cstrong\u003eEmerson K55HXDRL-0014\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Cooling:\u003c\/strong\u003e \u003cstrong\u003e1075 RPM single-speed\u003c\/strong\u003e output maintains correct static pressure and airflow for refrigerant heat rejection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Protection:\u003c\/strong\u003e The \u003cstrong\u003etotally enclosed\u003c\/strong\u003e housing prevents premature failure caused by rain, dust, and corrosive outdoor air.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandardized Fitment:\u003c\/strong\u003e \u003cstrong\u003e48 frame size\u003c\/strong\u003e and \u003cstrong\u003eshell-band mounting\u003c\/strong\u003e ensure seamless integration into existing fan motor brackets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the correct rotation for this motor?\u003c\/strong\u003e This motor is \u003cstrong\u003eCCW rotation\u003c\/strong\u003e (counter-clockwise) as viewed from the lead end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich capacitor is required for installation?\u003c\/strong\u003e This \u003cstrong\u003ePSC motor\u003c\/strong\u003e requires a \u003cstrong\u003e3 MFD \/ 370V run capacitor\u003c\/strong\u003e (sold separately).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan this be used in a heat pump?\u003c\/strong\u003e Yes, provided the \u003cstrong\u003e1\/6 HP\u003c\/strong\u003e, \u003cstrong\u003e230V\u003c\/strong\u003e, and \u003cstrong\u003e1075 RPM\u003c\/strong\u003e specs match your existing fan motor and blade pitch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cspan style=\"color: red;\"\u003eThis item is not eligible for free shipping.\u003c\/span\u003e\u003cspan style=\"font-size: 10.0pt; font-family: 'Arial',sans-serif; color: red; background: white;\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e","brand":"Rheem","offers":[{"title":"Default Title","offer_id":35650410380,"sku":"51-21854-17","price":324.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_45f3ce53-fe82-4c91-9485-bf4509a9c40e.png?v=1786572765","url":"https:\/\/www.gsistore.com\/en-ca\/products\/rheem-ruud-51-21854-17-motor","provider":"GSIstore","version":"1.0","type":"link"}