Ultra-quiet and low profile, the preferred choice by engineers.
Acoustic insulation absorbs sound to levels as low as .8 sones
The spring-loaded aluminum backdraft damper eliminates rattling and unwanted backdrafts
Square outlets are field rotatable from horizontal to vertical discharge
Power assembly removes quickly for maintenance
External electrical access eliminates the need to remove motor pack, saving installation time
Electrical knockouts (horizontal or vertical) eliminate drilling holes
Simple disconnect makes servicing simple
Large diameter conduit for installing electrical wiring through the curb cap into the motor compartment makes wiring easier
Attractive designer grille concealed attachment screws securely fasten grille to housing, for quiet and rattle-free operation
Mounting brackets are fully adjustable for multiple installation conditions
Housing is embossed galvanized steel for rigidity
"All motors are compatible for use with speed controls and have thermal overload protection; domestic and international applications are available 50 cycle, 220v, and 240v options 60 cycle, 115v, 208v, 220v, 230v, and 277v options"
Inlet duct collar allows for the ductwork to slide over the duct collar to be fastened for faster and easier installation
Available for applications requiring 700 cfm or greater; double-wide fans have two double-width forward-curved wheels, which are housed in separate scrolls and driven by a single motor
Options & Accessories
All our products can be configured to fit your specific needs
Resources & Downloads
Performance & Certification
UL 705
NFPA 96
AMCA Certified
ENERGY STAR® Qualified
Model Designation Guide