XREB I Belt Drive Downblast Roof Exhaust Fan

Performance and flexibility to meet your clean air roof mounted needs

Safe, reliable belt drive centrifugal fans Ideal for use in average length and average resistance duct runs.

How To Buy
Performance & Specifications
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Quiet efficiency

An aluminum, backward-inclined centrifugal wheel generates high-efficiency and minimal sound. Matched to the venturi for maximum efficiency, each wheel is robotically welded and statically and dynamically balanced for long life and quiet operation.

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Meets NEC codes

NEMA-1 switch is factory mounted and wiring is provided from the motor as standard (other switches are available). All wiring and electrical components comply with the National Electric Codes (NEC) and are either UL/cUL Listed or Recognized.

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Easy wiring access

Large diameter conduit for installing electrical wiring through the curb cap into the motor compartment makes wiring easier

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Precision tooling

Precisely sized, ground and polished so the first critical speed is at least 25% over the maximum operating speed

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Durable

Accurex's quality manufacturing will stand up to heavy use

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Easy access

Motor cover is constructed of aluminum, machine-punched, and attached with easy-removal that provide access to motor compartment and drive assembly

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Simple system balancing

Belts, pulleys and keys are oversized to 150% of driven horsepower. Machined cast pulleys are adjustable for final system balancing. Belts are static-free and oil-resistant

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Maximum motor life

Cooling fins draw outside air directly into the motor compartment; this positive motor cooling with fresh air results in maximum motor life

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Quiet operation

Vibration isolators support the drive assembly and wheel for long life and quiet operation

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Easy identification

Permanent stamped aluminum nameplate makes it easy to identify exact model and serial number

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Simple installation

Aluminum curb cap has pre-punched mounting holes to ensure correct attachment to the roof curb

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Weather tight

Curb cap is constructed from one piece of aluminum for a weather-tight fit

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Added strength

Lower windband is constructed of heavy-gauge aluminum with formed edges for added strength and weather resistance

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Easy lift

Select models have various lifting points located on the drive frame or bearing plates

Options & Accessories

All our products can be configured to fit your specific needs

See all options & accessories

Performance & Certification

UL/cUL 705

XREB models are UL/cUL  Listed for Emergency Smoke Control Systems

AMCA Air & Sound Certified

Seismic

High Wind

Model Designation Guide

XREB_ModelDesignation