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Downblast Ventilator Without Motor and Drive, Belt, Roof, Motor HP Range 1/2 to 5
- Item # 4YY11
- Mfr. Model # 4YY11
- UNSPSC # 40101502
- Catalog Page # 3704
- Shipping Weight 409.0 lbs.
- Item Downblast Ventilator Without Motor and Drive
- Drive Type Belt
- Wheel Dia. 36"
- CFM Range 8693 to 18,322 @ 0.0" SP
- RPM Range 325 to 685
- Motor HP Range 1/2 to 5
- Base Width 46"
- Mounting Location Roof
- Base Length 46"
- Base Height 1-3/4"
- Overall Dia. 58-3/4"
- Overall Height 38-1/2"
- Shaft Dia. Wheel End 1-1/4"
- Shaft Dia. Sheave End 1-1/4"
- Bearing Type Regreasable Pillow Block
- Max. Inlet Temp. 180 Degrees
- Housing Material Spun Aluminum
- Wheel Material Aluminum
- Wheel Type Backward Inclined Centrifugal
- Adj. 12 3/8"H Roof Curb Stock No. 2ZV85
- Adj. 6 3/8"H Roof Curb Stock No. 3C597
- Recommended 12 In. Fixed Curb Item No. 2RB82
- Recommended 8 In. Fixed Curb Item No. 4HX44
- Recommended Damper Size (In.) 39 x 39
- Recommended Damper Stock No. 4HX70
- Requires Roof Curb For New Installations
- Standards UL/cUL 705AMCA Sound & Air
- Includes NEMA 1 Junction Box
Compliance and Restrictions
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