Lennox 81W34 X13 Blower Motor 1/2 HP (1 ea) 607421-03

Product Description

The Lennox 81W34 is a programmed X13 ECM blower motor (607421-03) rated 1/2 HP for residential and light commercial HVAC systems. It delivers constant torque across five speeds (0–1100 RPM) at 115 VAC, 1 phase, and uses a direct-drive NEMA 48 frame with a 1/2 x 3.92-inch shaft and CCWLE rotation. The unit includes an integrated control module and is configured for horizontal belly-band mounting.

• Pre-programmed X13 ECM motor, 1/2 HP with integrated control module (no external run capacitor required).
• Five-speed operation with 0–1100 RPM range, 115 VAC, single-phase electrical input; direct-drive NEMA 48 frame and 1/2 x 3.92 in shaft.
• Horizontal belly-band mounting, CCWLE rotation, ball bearings; designed for residential furnace and high-efficiency air handler blower applications.

Product Highlights

ECM X13 blower motor, 1/2 HP, 5-speed 0–1100 RPM, 115 VAC, NEMA 48 frame, 1/2 x 3.92 in shaft.

Product Information

Standard Information

• Brand: LENNOX
• Manufacturer Part Number: 81W34
• Country of Origin: United States

Technical Specifications

• Brand: Lennox
• MPN: 81W34
• Manufacturer Part Number: 607421-03
• Motor Type: ECM X13
• Horsepower: 1/2 HP
• Pre-programmed: Yes
• Voltage: 115 VAC, 1 phase, 60 Hz
• Speed Range (RPM): 0-1100 RPM
• Number of Speeds: 5
• Frame Size: NEMA 48
• Shaft Size: 1/2 x 3.92 in
• Rotation: CCWLE
• Bearing Type: Ball
• Drive Type: Direct drive
• Integrated Module: Yes (integrated control module; no external run capacitor required)
• Mounting Position: Horizontal
• Mounting Type: Belly band
• Weight: 12 lb
• Application: Heating blower motor; high-efficiency air handlers and residential furnaces
• Compatible Models: EL180DF070E36B-1; EL180UH070E36B-1; EL180UH070XE36B-1
• Discontinued: Yes; discontinued December 1, 2023
• Direct Replacement: 23V73
• UPC / EAN: 66255143128
• Country of Origin: United States