Pay in 4 interest-free payments of $82.00 Learn more
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Square collar designed for 20” × 20” duct
linkage and handle enclosed in valve to assure trouble-free operation
1x2 T-Bar (8" x 20" duct)
* 3 hour rated * UL and California State Fire Marshall approved * 4-1/4" standard frame style * Interlocking steel roll-formed blade (3) with roll-formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G-90) * Self locking corner (4) * 165° replaceable fusible link (2) h3
enclosed in valve to assure trouble-free operation
Parallel Volume Damper Low Leak 3000PLL-20X24 Accessories Square collar designed for 20”h3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control
US$ 136.00
US$ 136.00
US$ 136.00
