Composite ventilation damper 2224

aluminumfor pressure relieffor building

Wall or ceiling mounted pressure relief vent for cold rooms up to 2700 ft3 - Patented • Extends in depth from 2 ¼ to 4 ¾ inches (up to 7 ¾ inches with the aluminium extension tube) • Easy mounting • Increased air-flow The walls of a cold room are constantly subjected to strains caused by pressure variations, either from inside or outside. The patented FERMOD pressure relief vents allow the balance of internal and external pressures. DESCRIPTION OF THE VENT • Expandable vent : one size fits all-from 2 ¼ inches to 4 ¾ inches wall thickness and up to 7 ¾ inches with the aluminium extension tube • For 4 ¾ inches maximum ceiling thickness • 3 possible options for the cable outlet: external/vertical to the panel or through the panel • Wall or ceiling mounting • 28% increase in flow compared with the market-leading competitor • Fermod vent saves significant mount time vs the competition • Airtight mobile flaps to limit ice formation in cold room • Watertight mounting to avoid ice formation between the valve and the wall • 10W heating element is completely encapsulated in the vent • Rust free • Made of chemically resistant composite material The 2224 and 2226 vents are Recognized under the Component Recognition Program of UL according to the following standards: UL 471 & CSA C22.2 N° 120 TWO REFERENCES 2224NT: Wall or ceiling mounted vent with heating cord, 10W continuous power, only for negative temperature cold room down to -22°F (-30°C). 2226PT: Wall or ceiling mounted vent without heating cord, for positive temperature cold room up to 180°F (80°C).