Description
Marley Engineered Products 3900-0347-005 Replacement Motor Overview
The Marley Engineered Products 3900-0347-005 is a precision OEM replacement motor engineered to restore peak performance in Marley heating and ventilation equipment. Rated at 1/30 horsepower and designed for 480-volt electrical systems, this motor operates at 1550 RPM, delivering the consistent, low-speed airflow critical to unit heaters, fan coils, and other Marley HVAC applications.
Key Specifications
- Horsepower: 1/30 HP
- Voltage: 480V
- Speed: 1550 RPM
- SKU / Part Number: 3900-0347-005
- Brand: Marley Engineered Products
Features & Benefits
- Direct OEM replacement ensures proper fit and compatibility with Marley equipment
- 480V rating suits commercial and light-industrial electrical systems
- 1550 RPM operating speed provides efficient, quiet airflow delivery
- 1/30 HP output matched to low-demand fan motor applications
- Designed for long service life and reliable continuous-duty operation
Application
This motor is a factory-specified replacement component for select Marley Engineered Products unit heaters and fan-driven HVAC equipment. Using a genuine OEM part ensures correct electrical characteristics, mounting dimensions, and shaft configuration — minimizing downtime and avoiding compatibility issues associated with aftermarket alternatives.
Why Choose Jackson Systems?
Jackson Systems stocks a comprehensive selection of OEM motors and HVAC replacement parts. Order the Marley Engineered Products 3900-0347-005 with confidence, backed by expert support and fast shipping.









