Vertical mount backdraft damper, No Flange, Model WD-330

Greenheck Product # WD-330

Model WD is a backdraft damper used in ventilation systems, allowing airflow in one direction and preventing airflow in the opposite direction.Rated for duct velocities up to 2,500 ft/min.Horizontal and vertical mounting options.

Product Variants

Showing 15 of 15

SKU	DAMPER WIDTH x DAMPER HEIGHT	MAX VELOCITY	PRESSURE DIFFERENTIAL MAX	MOUNTING POSITION	PRICE
WD330-8X8 Model / Size: WD-330	8 x 8 in	2500	2	Vertical	$86.22	Compare
WD330-9X9 Model / Size: WD-330	9 x 9 in	2500	2	Vertical	$93.35	Compare
WD330-10X10 Model / Size: WD-330	10 x 10 in	2500	2	Vertical	$93.35	Compare
WD330-12X12 Model / Size: WD-330	12 x 12 in	2500	2	Vertical	$93.35	Compare
WD330-14X14 Model / Size: WD-330	14 x 14 in	2500	2	Vertical	$110.45	Compare
WD330-15X15 Model / Size: WD-330	15 x 15 in	2500	2	Vertical	$110.45	Compare
WD330-16X16 Model / Size: WD-330	16 x 16 in	2500	2	Vertical	$110.45	Compare
WD330-17X17 Model / Size: WD-330	17 x 17 in	2500	2	Vertical	$127.56	Compare
WD330-18X18 Model / Size: WD-330	18 x 18 in	2500	2	Vertical	$127.56	Compare
WD330-20X20 Model / Size: WD-330	20 x 20 in	2500	2	Vertical	$134.68	Compare
WD330-23X23 Model / Size: WD-330	23 x 23 in	2500	2	Vertical	$158.20	Compare
WD330-24X24 Model / Size: WD-330	24 x 24 in	2500	2	Vertical	$166.04	Compare
WD330-25X25 Model / Size: WD-330	25 x 25 in	2500	2	Vertical	$178.15	Compare
WD330-30X30 Model / Size: WD-330	30 x 30 in	2500	2	Vertical	$192.40	Compare
WD330-35X35 Model / Size: WD-330	35 x 35 in	2500	2	Vertical	$208.08	Compare