Application & Performance

The Sunair BMA-1000 is a 12V dual 3-speed HVAC blower motor and wheel assembly engineered for heavy-duty commercial vehicles, including trucks, trailers, and buses. It delivers consistent, adjustable airflow across three speed selections to match cabin comfort and defog/defrost demand. Built from high-quality components to handle vibration and duty cycles common in fleet service, the unit is well suited for both OEM installs and aftermarket replacements. The assembly is cataloged under VMRS 001-002-017 for straightforward fleet maintenance tracking.

Specifications & Integration

With a compact 13.8 in length and 5.4 in height and depth, the BMA-1000 fits tightly packaged HVAC boxes and behind-dash installs while maintaining service access. The four-wire design provides reliable control over low, medium, and high speeds in 12V electrical systems standard to many heavy-duty platforms. The module weighs 5.86 lb, supporting stable mounting and low vibration transmission. The dual 3-speed configuration and matched motor/wheel geometry help maintain steady airflow performance over a wide operating range without overtaxing the electrical system. Designed for demanding commercial environments, the BMA-1000 offers dependable operation where uptime and consistent cabin conditioning are priorities.

Fleet Use & Replacement

Standardized dimensions, VMRS coding, and four-wire connectivity simplify cross-referencing and replacement during preventive maintenance. The 12V specification supports compatibility across a wide range of vocational applications, from regional haul tractors to bus HVAC modules and trailer climate units. Specify the BMA-1000 when a dual 3-speed blower assembly is required for consistent performance in heavy-duty HVAC systems.