Copy Right RetroZone inc.2020 

NSPRD Residential Round Series Mechanical Dampers

starting at 75.14
With Free Domestic Shipping

This damper is a Spring Return Damper with a 2 wire motor
that can be field configured for either Power Open (PO) OR
Power Closed (PC).  The damper blade will remain open or closed,

as long as power is supplied to the motor.  Comes standard with
low leakage Vinyl Nitrite gaskets and are available with



Available Sizes: 4" - 10", and 12",14",16".
NSPRD Dampers have a 2
Wire Spring Return Motor

NSPRD 4",5",6",& 7"

NSPRD 8",9",& 10"

NSPRD 12",14",& 16'




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