Carrier Blower Motor HD46MM120

Carrier HD46MM120 3/4 HP ECM Variable Speed Blower Motor

Restore ultra-quiet airflow control and high-efficiency circulation to your furnace or air handler with the genuine Carrier HD46MM120 ECM Blower Motor. This premium Factory Authorized Part is a 3/4 horsepower, direct-drive indoor blower motor featuring a factory-attached Electronically Commutated Motor (ECM) control module. Operating on standard 115V single-phase power, this advanced variable-speed motor automatically regulates its RPM and torque to maintain consistent CFM output across varying static pressure levels, cutting electrical consumption compared to standard PSC motors.

Built within a specialized 48Y NEMA Frame configuration, the Carrier HD46MM120 provides a precise Counter Clockwise Lead End (CCWLE) rotation profile, engineered to slide straight into your factory fan deck assembly.

Technical Specifications:

  • Model/Part Number: HD46MM120
  • Motor Type: Electronically Commutated Motor (ECM) with Attached Module
  • Horsepower: 3/4 HP
  • Voltage Compatibility: 115 VAC
  • Phase / Frequency: Single Phase (1 PH) / 60 Hz
  • Rotational Speed: Variable Speed RPM
  • Rotation Direction: CCWLE (Counter Clockwise Lead End)
  • Frame Footprint: 48Y Frame (48YFR)
  • Design Type: Direct Drive Blower Assembly

Key Features & Benefits:

  • Genuine Carrier OEM Engineering: This is an authentic factory original component—not a universal or aftermarket substitute. The attached ECM module contains factory-programmed ramp profiles and speed tables that interface directly with your furnace's main circuit board.
  • Energy-Saving Variable Speed: Automatically ramps up or down to deliver precise comfort, eliminating the harsh drafts and loud startups associated with single-speed models while reducing whole-home energy costs.
  • Plug-and-Play Electrical Terminations: Pin-matched wiring connections align perfectly with your existing factory control harnesses, cutting out field diagnostics and preventing dangerous wire-splicing mistakes.
  • Premium Noise & Vibration Control: Stringent factory qualification testing ensures the internal rotor matches original torque pulsations, drastically reducing structural vibration and pure-tone motor hum behind utility walls.

Verification & Equipment Application Note:

Please Read Before Ordering: This genuine Carrier motor is a verified fit for the 915SB48080E17A-A gas furnace model, as well as select other Carrier, Bryant, and Payne high-efficiency units. However, because ECM modules are custom-programmed for specific furnace tonnages and heat exchanger capacities, physical similarities do not guarantee electrical compatibility.

To ensure a perfect drop-in fit, please locate the complete model and product number inside the wall of your furnace cabinet and call our technical team to verify fitment before completing your purchase.

Why Buy From Shortys HVAC Supplies?

At Shortys HVAC, we offer exclusively Original Equipment Manufacturer (OEM) and factory-authorized industrial components. Replacing a high-tech variable-speed motor with a generic substitute can compromise your system's zoning balance, airflow staging, and manufacturer warranty guidelines. Investing in an authentic factory part guarantees your equipment maintains its original AHRI efficiency ratings and safety certifications.

Shipping Information: We provide fast, reliable shipping rates for US mainland deliveries only. For specialized freight routing or rates outside the continental United States, please contact our support desk directly before finalizing your order.

$893.00

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  • Model: HD46MM120
  • Manufactured by: Carrier
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