12" round motorized damper - powered open
Jackson Systems "D" Series round, 2-position motorized dampers are ideal for zone control, make up air, air intake, exhaust air vents, and solar applications. Round dampers are shipped to operate as powered closed/spring return open and can be field reversed to powered open/spring return closed.
These powered open/spring return closed version is 2-position, 15 seconds open with power on, 5 seconds spring close with power off.
Reviewed by 1 customer
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Comments about 12" Round Motorized Damper by Jackson Systems D-12-PO:
Needed some adjustment before the unit would close all of the way. Looks to have been converted from a Power Closed unit to a Power Open unit. Seems to work fine now that I have it adjusted to close completely.