{"product_id":"firstchoice-19l37-permanent-split-capacitor-psc-blower-motor-1-2-hp-115v-3-speed-1075-rpm","title":"FirstChoice 19L37 Permanent Split Capacitor (PSC) Blower Motor 1\/2 HP 115V 3-Speed 1075 RPM","description":"\u003ch1\u003eFirstChoice 19L37 Permanent Split Capacitor (PSC) Blower Motor 1\/2 HP 115V 3-Speed 1075 RPM\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirstChoice 19L37 Blower Motor\u003c\/strong\u003e serves as the heavy-duty \"airflow brain\" for standard-efficiency residential furnaces and air handlers. This \u003cstrong\u003e1\/2 HP PSC (Permanent Split Capacitor)\u003c\/strong\u003e motor is engineered to handle the higher static pressure demands of larger duct systems, ensuring consistent air delivery across your evaporator coil and heat exchanger. As an OEM-specified replacement for \u003cstrong\u003eLennox and Allied Air\u003c\/strong\u003e equipment, this 3-speed motor provides the torque necessary to support 3.5 to 4-ton cooling systems, maintaining indoor air quality and temperature stability throughout the year.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision OEM Fitment:\u003c\/strong\u003e Directly replaces part number \u003cstrong\u003e19L37\u003c\/strong\u003e, utilizing the industry-standard NEMA 48-frame (5.6-inch diameter) to ensure a perfect fit in existing blower cradles and belly-band mounts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Speed Performance:\u003c\/strong\u003e Equipped with High, Medium, and Low speed taps, allowing for customized CFM (Cubic Feet per Minute) settings to balance heating and cooling requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Torque \u0026amp; Durability:\u003c\/strong\u003e Features a robust 1\/2 HP rating designed to overcome the resistance of high-MERV air filters and complex duct runs without overheating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Safety Protection:\u003c\/strong\u003e Includes an internal automatic-reset thermal overload protector that prevents motor winding failure in the event of a seized blower wheel or restricted airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Rotation:\u003c\/strong\u003e Designed with easy-to-swap reversing leads, making it compatible with both clockwise (CW) and counter-clockwise (CCW) air discharge configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e FirstChoice (Lennox\/Allied Brand)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Regal Beloit \/ Genteq\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart #:\u003c\/strong\u003e 19L37\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCat #:\u003c\/strong\u003e 19L37\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC\/SKU:\u003c\/strong\u003e 662551322060 \/ 19L37\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 15.40 Pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 115 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower:\u003c\/strong\u003e 1\/2 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRPM:\u003c\/strong\u003e 1075 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 3-Speed Taps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition Type:\u003c\/strong\u003e N\/A (Main Blower Motor)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e🛠️ HVAC Depot Pro Tip\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eTake a Picture First!\u003c\/strong\u003e Before disconnecting the old 1\/2 HP motor, photograph the wiring terminal on your furnace control board. This motor is 115V—connecting it to a 230V circuit will cause immediate, irreparable damage. \u003cstrong\u003eDiagnostic Check:\u003c\/strong\u003e Always replace the \u003cstrong\u003eRun Capacitor\u003c\/strong\u003e (typically 10 MFD at 370V for this 1\/2 HP model) when installing a new motor. A weak capacitor is the most common cause of \"humming but not starting,\" which can burn out the start windings of your brand-new motor in minutes.\u003c\/p\u003e\n\u003ch2\u003eCross-Reference\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperseded \/ Legacy:\u003c\/strong\u003e 10M13, 10M1301, 19L3701, 41K16, 41K1601, 80L39, 80L3901\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Equivalents:\u003c\/strong\u003e Genteq 3585, Fasco D727, Emerson 1864\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLennox Cat #:\u003c\/strong\u003e 19L37\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther Identifiers:\u003c\/strong\u003e 5KCP39LGN652S, S1-02423225000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eModel Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eG40 Series\u003c\/strong\u003e (Suffixes: UH-48B, UH-48C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG50 Series\u003c\/strong\u003e (Suffixes: UH-48B, UH-48C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eML180 Series\u003c\/strong\u003e (Suffixes: 090P48B, 110P48B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e80G1 Series\u003c\/strong\u003e (Suffixes: UH090P48B, UH110P48B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG60 Series\u003c\/strong\u003e (Suffixes: UH-48B, UH-48C)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"First Choice","offers":[{"title":"Default Title","offer_id":52229732794731,"sku":"19L37","price":170.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/19L32_ca07166a-ac64-4fad-b05a-a204d8ec67c2.jpg?v=1773343483","url":"https:\/\/tophvacparts.com\/products\/firstchoice-19l37-permanent-split-capacitor-psc-blower-motor-1-2-hp-115v-3-speed-1075-rpm","provider":"HVAC Parts and Equipment Depot","version":"1.0","type":"link"}