Qmark 680FRD Ventilating Fan with Built-in Radiation Damper

Description:

Model 680FRD, with built-In Fire Radiation Damper, offers the ultimate combination of quiet high performance ventilation and the best protection against flame penetration and radiant heat. Marley Engineered Products fans are intended for use in bathrooms, but can be used in other areas where ventilation is required.

Model 680FRD will meet the building code requirements for both commercial and multi-family construction when a fire rating of up to 3 hours is required.

Model 680FRDs heavy gage steel housing, steel duct adapter and steel grille coupled with it’s UL/cUL listed "Ceiling Fire-Stop Damper" offers the best protection against flame penetration and radiant heat. Model 680FRD comes completely factory-assembled to insure consistent quality and safety.

Specifications:

• Rugged, 22-gage rust resistant plated steel housing.
• 4" steel duct adapter with integral back draft damper pre-assembled to housing.
• Plug-in totally enclosed permanently lubricated motor.
• Spring-mounted white painted low profile steel grille.
• Mounting brackets included for installation between ceiling joists or drop ceilings.
• Performance: 80 CFM @ 2.5 sones.
• HVI (Home Ventilating Institute) certified.
• CSA Certified

Damper Construction:

• 22-gage galvanized steel frame.
• Stainless Steel closure springs.
• High heat, non-asbestos ceramic blanket.
• Replaceable 165 degree F fusible link.
• UL and cUL listed "Ceiling Fire Stop Damper" with up to 3-hour fire resistance rating.