Description
The Fasco D503 is a dependable OEM replacement motor engineered for reliable performance in a wide range of HVAC blower and fan applications. Rated at 1/10 HP and 230 volts with an operating speed of 1590 RPM, this motor delivers consistent airflow output and long service life in demanding residential and light commercial environments.
Fasco has long been a trusted name in the HVAC industry, producing motors built to tight tolerances for drop-in replacement convenience. The D503 is designed to restore equipment to factory-specified performance, minimizing downtime and simplifying service calls.
Key Specifications
- Horsepower: 1/10 HP
- Voltage: 230V
- Speed: 1590 RPM
- SKU: D503
- Brand: Fasco
Features & Benefits
- OEM-quality replacement for reliable, drop-in installation
- Designed for HVAC blower and fan motor applications
- 230V operation compatible with standard commercial and residential HVAC equipment
- 1590 RPM speed rating ensures consistent airflow delivery
- Built to Fasco’s proven standards for durability and long service life
- Helps minimize equipment downtime with a direct replacement fit
Application
The Fasco D503 is suited for use in furnace blowers, evaporator fan assemblies, and other HVAC motor applications requiring a 1/10 HP, 230V, 1590 RPM motor. Always verify compatibility with your specific equipment model before installation.







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