Wall Vent With Fire Damper

Installed inside hvac ductwork the damper blades automatically close when a rise in temperature occurs or a smoke alarm goes off.

Wall vent with fire damper.

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. Master flow 3 1 4 in. 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. In a fire safety code q a on the facilitycare website brad keyes senior consultant keyes life safety discussed fire dampers in rated walls.

Use fire and smoke dampers from grainger in office buildings healthcare facilities and other buildings to prevent the spread of fire and smoke if that emergency should occur. 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. Smart vent offers two ul certified fire damper models. Set your store to see local availability add to cart.

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. Round heavy duty wall vent with damper in white model hdwv4w 30 74 30 74. Are fire dampers required in one hour fire rated walls if the facility is fully sprinkled. Rectangular appliance wall vent model avw3 25x10 21 00 21 00.

In the event of a fire intumescent expands fusing the grille into a solid barrier that stops fire spreading. Fire dampers help prevent the spread of fire. Large hood will not restrict air. Building the damper into brick and concrete walls or gypsum plates with the relevant fire resistance rating is allowed.

A masonry installation model 1540 530 and a wood wall installation model 1540 537. Includes a built in damper. 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. Fireplace damper parts fireplace damper plate.

Master flow 4 in. Quality crafted in heavy duty 0 02 inch aluminum and comes in a mill finish. The famco dwva wall vent is a hooded wall vent that is primarily used for air exhaust applications and dryer venting.