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The FR series includes 6 fan model sizes with airflow capacities between 150 and 345 cfm Vibration welded seam ensures leak proof housing 100% speed-controllable Air stream temperatures up to 140 F 167 CFM Max. Airflow Application The FR Series is a versatile inline duct fan. These models can be used for multiple point exhaust residential and commercial applications crawl space venting or make-up air supply. They are also widely used as booster fans to move air from one room or area to another. These models are not designed for nor should be used in radon applications. Design The fans feature a fully sealed plastic housing. The housing is joined via a vibration welding process. The process uses transverse reciprocating motion at the point of contact between the housings inlet and outlet pieces. The friction produces heat that melts the thermoplastic material at the interface. The melted material quickly re-solidifies resulting in a fused single-piece housing. The fused seam is inherently air tight very strong and permanent. An air-tight fan ensures that efficiency is not lost and contaminants are not spilled due to leakage. The fan can be mounted in outdoor and wet locations. The FR Series features external rotor motors that have proven dependable year after year. A large electrical wiring enclosure is designed into the fan housing making electrical installation easier. Motor protection Thermal overload protected with automatic reset. The fans can be controlled via a solid state speed controller.
- Great for radon gas mitigation.
- Housing manufactured of UV protected GE Noryl plastic.
- Variable speed motor.