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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Back blades are parallel to the longest dimension
Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser
1” rim size (2” larger than nominal duct size / order size)
904 Series Submittal
165° replaceable fusible link (#50)
4 1/4" Vertical Mount Fire Damper 2633-22X6 Commercial Back blades are parallel toh3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion
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US$ 40.00
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US$ 12.60
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