Blower Motor 230V 50/60Hz – Replaces Dayton 1TDN8 Fasco 7021-3506 – NBK-20755

NBK-20755 – Blower Motor 230V 50/60Hz – NBK The NBK-20755 Blower Motor is a dependable OEM-equivalent replacement designed for HVAC blower and air handler applications. Operating on 230V power with 50/60Hz compatibility, this motor delivers consistent airflow and reliable performance across a wide range of heating and ventilation systems. It is a direct replacement for the widely used Dayton 1TDN8 blower motor and compatible with multiple Fasco and AO Smith reference models. Built to meet or exceed OEM specifications, the NBK-20755 ensures proper fitment, smooth operation, and long service life—making it an excellent solution for HVAC professionals servicing residential and light commercial systems. Key Features OEM-Compatible Replacement: Direct replacement for Dayton 1TDN8 Dual Frequency Operation: Supports both 50Hz and 60Hz applications 230V Power: Designed for higher-voltage HVAC blower systems Broad Cross-Reference Support: Compatible with Fasco and AO Smith motor models Specifications SKU: 20755 UPC: 810069182629 Category: Blower Motor / Air Handler Motor / HVAC OEM Brand: Dayton Voltage: 230V Frequency: 50/60Hz Model Reference: 1TDN8 Application: HVAC blower motor replacement Equivalent To Dayton: 1TDN8, 2C914 Fasco: 50747-D230, 7021-3506, JA1C182 AO Smith: 9443 Why Choose the NBK-20755? The NBK-20755 is a trusted blower motor replacement for HVAC professionals who require OEM-level compatibility and dependable airflow performance across both 50Hz and 60Hz systems. Its direct-fit design minimizes installation time and helps restore efficient system operation. Installation Tips Confirm voltage and frequency compatibility before installation. Disconnect all electrical power prior to servicing blower assemblies. Inspect blower wheel and mounting hardware for wear or imbalance. Test system operation after installation to verify airflow and motor performance. Pairs Well With Blower Wheels, Motor Mounting Brackets, Capacitors, HVAC Electrical Components SPECIAL ORDER NOTICE: This is a special order item sourced from NBK. Please allow 1–2 business days for processing prior to shipment.