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        AmeriVent® AVS
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        AmeriVent® AVS

        AmeriVent® AVS Attic Shield, 4 in

        AmeriVent® AVS

        The type B designation is assigned to gas venting systems that meet the safety requirements of underwriters Laboratories, Inc. The AmeriVent® all metal, double wall gas vent is listed as type B by UL and is approved for residential and commercial applications such as category 1 water heaters, boilers, furnaces, space heaters or wall heaters. UL approved type B gas vent products form a continuous passageway from an approved gas appliance to the termination of the vent above the roof of the structure.

        AmeriVent® Attic Shield, 4 in Nominal, 14 in W x 3-5/8 in D x 18 in H

        Dimensions      :      14 in W x 3-5/8 in D x 18 in H
        • AmeriVent® pipe are lightweight and rugged feature, made of corrosion-resistant galvanized steel and aluminum
        • Ends have a snaplock coupling
        • 1 in minimum clearance to combustibles
        • To disengage the locking tab align the seams and pull apart
        • Locking tab to ensure a secure fit, push in the locking tab to lock the pipes together
        • Engagement snaplock joints overlap to calculate height deduct 1 in for each joint
        • Used on a single story building or on the top story of a multi-story building for type BW gas vent
        • The 26 ga galvanized sheet metal extends down from the attic to the top of the ceiling plate
        • Required by Los Angeles code and UMC