Wall Vent With Fire Damper

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Wall vent with fire damper.

Quality crafted in heavy duty 0 02 inch aluminum and comes in a mill finish. Smart vent offers two ul certified fire damper models. A masonry installation model 1540 530 and a wood wall installation model 1540 537. Large hood will not restrict air.

According to nfpa 90a 1999 edition one hour fire rated barriers do not require fire dampers in fully ducted hvac systems unless the one hour fire. These fire dampers are certified to provide two hours of fire resistance. In the event of a fire intumescent expands fusing the grille into a solid barrier that stops fire spreading. 1 16 of 581 results for 6 wall vent with damper broan 641 wall cap for 6 round duct for range hoods and bath ventilation fans 6 aluminum 4 6 out of 5 stars 199.

Install the fire damper in such a way so that the release mechanism and inspection hole are on the side of the wall or ceiling for easy inspection of the thermic release mechanism and its internal part. Round heavy duty wall vent with damper in white model hdwv4w 30 74 30 74. In a fire safety code q a on the facilitycare website brad keyes senior consultant keyes life safety discussed fire dampers in rated walls. A fireplace damper plate is the piece of metal or ceramic that opens or closes to allow or prevent air to pass freely through a chimney or flue.

Are fire dampers required in one hour fire rated walls if the facility is fully sprinkled. A damper plate located at the throat base of a chimney is usually rectangular in shape and is held in place within the chimney by a surround. Fire dampers are ul555 tested and labeled devices installed in ducts and air transfer openings or air distribution systems designed to close upon the detection of heat. The famco dwva wall vent is a hooded wall vent that is primarily used for air exhaust applications and dryer venting.

Free delivery with 45 order. Includes a built in damper. Master flow 3 1 4 in. Fire dampers help prevent the spread of fire.

Fireplace damper parts fireplace damper plate. Rectangular appliance wall vent model avw3 25x10 21 00 21 00. Installed inside hvac ductwork the damper blades automatically close when a rise in temperature occurs or a smoke alarm goes off.