Blower Motor 115V – Replaces Dayton 1TDU9 Fasco 7021-6774 – NBK-20534

NBK-20534 – Blower Motor 115V – NBK

The NBK-20534 Blower Motor is a dependable OEM-equivalent replacement designed for HVAC blower and air handler applications. Operating on 115V power, this motor delivers reliable airflow performance for residential and light commercial heating systems.

It is a direct replacement for Dayton 1TDU9 and is cross-referenced with Fasco 7021-6774 and Fasco 4C940. Built to meet or exceed OEM specifications, the NBK-20534 ensures proper fitment and long-lasting performance.

Key Features

• OEM-Compatible Replacement: Direct replacement for Dayton 1TDU9
• 115V Operation: Designed for standard HVAC blower systems
• Reliable Airflow Performance: Supports efficient furnace and air handler operation
• Direct Fit Design: Simplifies installation and service

Specifications

• SKU: 20534
• UPC: 810069181165
• Category: Blower Motor / Air Handler / HVAC
• OEM Brand: Dayton
• Voltage: 115V
• Replaces OEM: 1TDU9
• Application: HVAC blower motor replacement

Equivalent To

• Dayton: 1TDU9
• Fasco: 7021-6774, 4C940

Why Choose the NBK-20534?

The NBK-20534 is a trusted blower motor replacement for HVAC professionals seeking OEM-level compatibility and dependable airflow performance. Its direct-fit construction reduces downtime and helps restore proper system operation quickly.

Installation Tips

• Verify voltage and mounting configuration before installation.
• Disconnect electrical power prior to servicing the blower assembly.
• Inspect blower wheel and housing for debris or wear.
• Test airflow and system startup after installation.

Pairs Well With

Blower Wheels, Motor Capacitors, Furnace Control Boards, HVAC Mounting Hardware

SPECIAL ORDER NOTICE: This is a special order item sourced from NBK. Please allow 1–2 business days for processing prior to shipment.