RMUA Roof Wall Fresh Air Supply Fan
RMUA fresh air supply fans are suitable for roof or wall installations in commercial ventilation applications, including mechanical room air supply and warehouse air supply.
RMUA fresh air supply fan model table
Catalog model and airflow references for RMUA roof and wall fresh air supply fans. Final selection should confirm required supply airflow, static pressure, voltage, accessories, and installation details.
| Model | Diameter | RPM | Motor HP | FLA | Voltage / Frequency | Free Airflow | Higher SP Reference |
|---|---|---|---|---|---|---|---|
| RMUA-14 | 14 inch | 1100 | 1/6 | 2.2 | 110-120V/60Hz or 220-240V 50Hz-60Hz single phase | 1,160 CFM | 236 CFM at 0.75 in. SP |
| RMUA-18 | 18 inch | 1100 | 1/3 | 4.5 | 110-120V/60Hz or 220-240V 50Hz-60Hz single phase | 2,400 CFM | 662 CFM at 0.875 in. SP |
Roof and wall mounted fresh air supply for commercial ventilation balance
The RMUA series is used for roof or wall mounted commercial ventilation where fresh air supply is required for mechanical rooms, warehouses, and general building air balance.
The datasheet lists a compact direct-drive axial arrangement, weather-resistant spun aluminum housing, bird screen, disconnect switch, and roof or wall mounting accessories.
For Saudi Arabia projects, the RMUA model should be selected by supply airflow, static pressure, voltage, opening size, mounting condition, and approval documentation requirements.
Key features for RMUA roof and wall fresh air supply fans
RMUA follows the same main feature set as the RMD series while serving roof or wall mounted commercial air supply applications.
Technical specifications
Final fan selection should confirm airflow, pressure, voltage, installation, accessories, and project approval requirements.
| Specification | Available Options / Details |
|---|---|
| Product Category | Fresh Air Fan |
| Product Type | Roof / Wall Fresh Air Supply Fan |
| Model Series | RMUA-14, RMUA-18 |
| Installation | Roof or wall installation |
| Airflow Range | 1,160 to 2,400 CFM free-air catalog range |
| Static Pressure Range | Performance listed from 0 in. SP to 0.875 in. SP depending on model |
| Motor | Totally enclosed, permanently lubricated, ball bearing motor |
| Voltage | 110-120V/60Hz or 220-240V 50Hz-60Hz single phase catalog reference |
| Temperature Rating | 110 F max. temperature rating in datasheet |
| Housing | Spun aluminum housing |
| Impeller | Axial impeller with die formed blades riveted to a steel hub |
| Accessories | Gravity damper, motorized damper, wall mount brackets, roof curb |
| Applications | General ventilation, mechanical room air supply, warehouse air supply |
| Documentation | Datasheet, airflow table, quotation, technical submittal, and procurement documents on request |
RMUA roof and wall fresh air supply fan applications
RMUA fans are used where commercial projects need roof or wall mounted fresh air supply for ventilation balance.
What to Send for Correct Selection
Share the fresh air requirement and site information so the technical sales team can confirm model, airflow, pressure, accessories, and quotation details.
RMUA fresh air supply fan accessory options
Accessories can be coordinated based on roof or wall installation, airflow control, backdraft protection, and project approval needs.
Documents and procurement files
Product and company documents can be shared for contractor, consultant, and procurement review.
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RMUA fresh air supply fan questions
Answers for contractors, MEP engineers, and procurement teams reviewing RMUA roof and wall fresh air supply fans.