DetailsRound, 14" Static Pressure Regulator Damper (Sprd). Single-Blade, Steel Barometric Damper Used To Bypass Excess Air When Majority Of Zone Dampers Are Closed. Counter-Balanced Weighted Arm To Control Bypass Air For Zoned Systems. Air Pressure In Duct System Increases As Zone Dampers Close, Pushing The Sprd Open Automatically. Arm and Weight Both Adjustable To Control Amount Of Air Bypassed. Recommended For Low-Pressure Systems with Less Than 0.5" Water Column (W.C.). For Larger Systems and Tighter Pressure Control, Use Mard Damper and Static Pressure Controller (Spc). Additional Weights Available.
California residents: see Proposition 65 Warning
Weight 12.9 Pounds (Lb) Width 15.4 Inches (In) Height 16.2 Inches (In) Country of Origin MEX Length 16 Inches (In) Brand Honeywell CFM 1800 Galvanized No Damper Type Barometric Bypass Color Not Provided Before Item Discontinued Composition Steel Finish Not Provided Before Item Discontinued Gauge Not Provided Before Item Discontinued Shape Round Size 14" Warranty Offered Yes