Four Bladed Insulated Static Ceiling Radiation Damper

A Division of MESTEK, Inc.

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Model:	A93
Filter:	A93
Standard Depth:	2 ²¹/₃₂"
Minimum Panel Size:	3¾" x 18¾"
Maximum Panel Size:	24" x 24" (576 in²)
Orientation:	Horizontal
Frame Material:	One Piece 22 ga. Galvanized Steel
Blade Material:	22 ga. Galvanized Steel
Insulation:	½" Thick Gypsum
Fusible Link:	165°F
Spring:	Extension Type
Finish:	Mill
Certifications:	Underwriters Laboratories, Inc.: 555C New York City MEA Listing #110-99-M CA State Fire Marshal Listing #3226-1328:105 1 Hour Combustible Ceiling Assemblies 1 and 2 Hour Non-Combustible Ceiling Assemblies
UL Classified:	2 Hour or Less Fire Resistance

212°F Fusible Link
Thermal Blanket
Top Extension:	Total Frame Depth: 9¼"
Bottom Extension:	Total Frame Depth 6⅛"
Top & Bottom Extension:	Total Frame Depth: 9¼" for height of 18¾" - 20" 10¾" for height of 20¾" - 24"