Mars 3789 Direct Drive Blower Motor 3/4 Hp 115V T Flex FML1076V1

Product Description

The MARS 3789 is a direct drive blower motor built for HVAC air handling applications. It runs on 115 volts and delivers 3/4 horsepower output. HVAC technicians and equipment installers use this motor to power indoor blower assemblies in residential and light commercial air handlers, furnaces, and fan coil units. The T Flex designation indicates it is part of the MARS T Flex series, which is engineered for flexible replacement across multiple OEM applications. This cross-compatibility makes it a go-to stocking motor for HVAC service shops and wholesale distributors. The model also carries the cross-reference number FML1076V1, making it easier to verify compatibility with existing equipment or legacy units in the field. Direct drive blower motors connect directly to the blower wheel shaft without a belt or pulley system. This design reduces mechanical losses, lowers maintenance needs, and keeps noise levels down during operation. These motors are commonly found in forced-air systems where the blower wheel must move conditioned air through ductwork efficiently. A 3/4 HP motor provides enough torque and airflow capacity for mid-sized air handling units while staying within the energy and electrical limits typical of residential and light commercial systems. The 115V single-phase power supply is standard in most North American residential electrical systems, making installation straightforward for any qualified HVAC technician. The MARS brand is widely trusted in the HVAC trade for reliable, drop-in replacement motors that meet or exceed original equipment specifications. This motor is a strong choice when replacing a failed or worn blower motor in the field or during scheduled maintenance. It supports faster turnaround on service calls and reduces callback rates when installed correctly.

• Direct drive design eliminates belt and pulley components for lower maintenance and quieter operation
• 3/4 HP output at 115V single-phase suits a wide range of residential and light commercial air handlers
• T Flex series cross-compatibility simplifies replacement across multiple OEM blower motor applications

Product Highlights

The MARS 3789 direct drive blower motor delivers 3/4 HP at 115V and is built for reliable drop-in replacement in residential and light commercial HVAC systems. Its T Flex series design and FML1076V1 cross-reference make field verification and installation fast and straightforward.

Product Information

Standard Information

• Brand: MARS
• Manufacturer Part Number: 3789

Technical Specifications

• Horsepower: 3/4 HP
• Voltage: 115V
• Motor Type: Direct Drive Blower Motor
• Series: T Flex
• Cross Reference Part Number: FML1076V1
• Application: Air Handlers, Furnaces, Fan Coil Units
• Phase: Single Phase