Pay in 4 interest-free payments of $180.00 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Standard collar diameter is the same as the diffuser size
Please contact us for a quote on optional Stainless Steel Construction or Fractional Sizes
* UL and California State Fire Marshall approved * 4-1/4" standard frame style * Interlocking steel roll-formed blade (3) with roll-formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G-90) * Self locking corner (4) * 165° replaceable fusible link (2) h3
Standard Features * Steel honeycomb construction * Flush core and frame provides smooth surface * Free area equals more than 75% of nominal size * Driftwood Tan Options * Mounting holes for sidewall and ceiling application * 1600R - reinforced welded core and extra supports for heavy duty application * Standard Color
listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar
Volume Damper Low-Leak OBD 3000-0BDLL-42X14 Smoke-Fire Damper Standard collar diameter is theh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.
US$ 19.00
US$ 31.50
US$ 151.50
US$ 1007.50
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US$ 15.00
US$ 15.50
