Pay in 4 interest-free payments of $272.38 Learn more
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Zinc plated steel closure spring
700 CB20 - two way
* 3100 Series - Face and By-Pass dampers * Sleeve variations * 12 gauge galvaneal construction * Flat head and sill frame construction * Extended square operating shaft (extending 7-1/2" beyond the air control frame) * Round operating shaft (1/2" diameter) * Oil impregnated bronze bushings * Spring closed or spring open dampers * Outside mounting flange * Direct mount damper motors * Fractional and odd sizes available
Standard Features * 45-degree fixed blades parallel to the longest dimension * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SP920FG-4 - holds 4" deep air filter * 920 TFG - T-Bar mount * Standard Color or Designer Color Finish available on this product
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
Parallel Volume Damper Low Leak 3000PLL-58X20 Specialty Products Zinc plated steel closure springh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control
US$ 360.00
US$ 434.00
US$ 290.00
US$ 680.00
US$ 570.00
US$ 425.00
US$ 795.00
US$ 810.00
US$ 930.00
US$ 365.00
US$ 290.00
US$ 240.00
US$ 390.00
US$ 365.00
