Brochure

Bypass Settings
+ Thumbscrew adjustable, no tools required
+ Factory set to 0% bypass
+ Standard setting indicated by
, approximate 15% bleed
+ Controlled Pressure Relief is infinitely adjustable for
peak system performance
One Piece Assembly
+ Remove motor and actuator as one assembly
+ Assembly replacement while damper shell remains in duct
+ Simple, labor-saving design
Attic Insulation Protection
+ Insulation proof – all openings secured preventing
spray in insulation from entering actuator and causing problems
Round Damper Blade Design
+ Gasket material minimizes air bypass when blade is closed
+ Common plastic bearing stabilizes damper blade
+ Hex shaft allows secure blade fastening
Robust Motor Design
+ Start-up torque dampened with torsion lever for extended life
+ Motor covered for improved appearance, cover tightly secured
+ Life tested to extreme usage in attic temperatures
2-Wire Connection
+ Simplifies installation – fewer wires to organize
Ventilation
(black label)
Zoning
(white label)
NORMALLY-OPEN
POWER CLOSED
NORMALLY-CLOSED
POWER OPEN
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