Pressure relief valves

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VALVE 2224

Patended - UL 471 & CSA C22.2 N 120

Reference : 2224

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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.

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

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).

2224NT-M: Through the panel
2224NT-H: Horizontal, external to the panel
2224NT-V: Vertical, external to the panel


Valve 2224 Literature (PDF version)
Valve 2224 NSF Certification (PDF version)


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