Honeywell SPRD12 12" Static Pressure Damper

Honeywell

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Single-blade, steel barometric damper used to bypass excess air when majority of zone dampers are closed.

OBSOLETE - NO REPLACEMENT

Features:

Counter-balanced weighted arm to control bypass air for zoned systems.
Available in rectangular/square and round sizes.
Air pressure in duct system increases as zone dampers close, pushes the SPRD open automatically.
Arm and weight both adjustable to control amount of air bypassed.
Recommended for low pressure systems with less then 0.5 in. wc.
For larger systems and tighter pressure control, use MARD damper and static pressure controller (SPC).
Additional weights available.
Available in: Round Sizes 7, 8, 9, 10, 12, 14 and 16 in. diameters. Rectangular sizes (width x height) 12 x 8, 12 x 12, 20 x 8, 20 x 10, 20 x 12 in.

Specifications: