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May 25, 2019

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QC STL PRO-4.8 Specifications:

 

The Quiet Cool Stealth Pro 4.8. Whole house fan. 

Motor Voltage
120 VAC, 60 Hz

Energy Use
Hi: 496 Watts
Med: 179 Watts
Low: 59 Watts

Air Flow
Hi: 4557 CFM
Med: 3092 CFM
Low: 2058 CFM

CFM/Watt (higher is better)
Hi: 9.19 Med: 17.27 Low: 34.88

Square Foot Coverage @ 2 CFM per SQ FT
Covers up to 2250 SQ FT

# of Speeds
3

Duct Diameter
18"

Duct Length
9 feet

Motor Head Diameter
18 1/2"

Motor Head Length
13 1/2"

Sound Level in Room (measured 1m from grille)
Hi: 51 dB
Med: 43 dB
Low: 41 dB

Dampers
Barometric Pressurized R5 Dampers

Controls
Included 8 Hour Electronic Timer and Double 3-Way Switch

Warranty
15 Years

Framing
None required

Joist Cutting
None required; fits 16” or 24” on center

Minimum Suggested Attic Venting
6.1 SQ FT net free area

Ceiling Rough Opening
14 1/4" X 30 1/4"

Removable Grille Outside Dimension
16" x 32"

Shipping Weight
64 lbs.

Box Dimensions
40" x 22" x 36"

In the Box
- QC STL PRO-4.8 Motorhead - Controls
- Damper Box - Removable Grille - 9 foot duct - - Cut-out template - Accessory bag 

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