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Lennox 16P91 Blower Motor 460V 3-Phase 3HP 1750RPM

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Special Price $587.53 Regular Price $854.50
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SKU
16P91
The Lennox 16P91 Blower Motor is a high amperage blower motor used for the replacement of Lennox HVAC systems in industrial and commercial applications. This single-speed, 3-HP motor delivers powerful airflow because of its high RPM (1750) and bidirectional rotation. This motor effectively drives air at high velocities, thus guaranteeing adequate air circulation in your large structure. The reversible rotation enables the precision control of the direction of the airflow for comfort or system control in certain zones. The rigid horizontal mounting makes it easy to install it within your HVAC unit.
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Motors & Capacitors, Blower Motors & Components
Manufacturer:
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Specifications

  • Voltage: 460V
  • Weight: 51lbs
  • Horsepower: 3 HP
  • Revolutions Per Minute: 1750 RPM
  • Measure: Unit
  • Number of Speeds: 1 Speed
  • Frame Size: 56HZ
  • Motor Mounting Position: Horizontal
  • Motor Mounting Type: Rigid
  • Shaft Size: 7/8 Inch x 2.25 Inch
  • Motor Rotation: Reversible
  • Bearing Type: Ball
Manufacturer Name: Lennox
Product Number: 16P91
OEM Part Number: 16P91
Product Description: 460V3ph 3Hp 1750Rpm Motor
Weight:51lbs/23133.19g

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Product Questions (2)
Customer Questions
What maintenance is required for the Lennox 16P91 Blower Motor?

Inspect and clean the blower motor regularly, ensuring dust buildup is removed from housing and vents. Check electrical connections and voltage balance to prevent overheating and performance issues. Lubricate bearings if applicable and tighten hardware.

What are common issues with the Lennox 16P91 Blower Motor?

  • Overheating from voltage imbalance or Low ventilation conditions.
  • Bearing damage causing noise and vibration over time.
  • Reduced airflow or inconsistent speed under load conditions.
  • Electrical connection faults leading to intermittent operation issues.

Installation Steps

Step 1: Turn off power and lockout/tagout HVAC system for safety before proceeding.

Step 2: Remove access panel and disconnect wiring from old motor noting connections.

Step 3: Unbolt and remove existing blower motor assembly carefully.

Step 4: Install motor, secure mounting and align shaft/belt.

Step 5: Reconnect wiring per diagram ensuring proper phase connections and grounding.

Step 6: Restore power and test airflow, checking for vibration or overheating thoroughly.