Description

[{“name”:”Item”,”normalizedValue”:”19-21\”dia SS Barometric Draft Control”,”rank”:1,”value”:”19-21\”dia SS Barometric Draft Control”},{“name”:”Width”,”normalizedValue”:”22 in”,”value”:”22 in”},{“name”:”Height”,”normalizedValue”:”22 in”,”value”:”22 in”},{“name”:”Diameter”,”normalizedValue”:”19 to 21 in”,”value”:”19 in to 21 in”},{“name”:”Application”,”normalizedValue”:”Gas, Oil or Solid Fuel”,”value”:”Gas, Oil or Solid Fuel”},{“name”:”Color”,”normalizedValue”:”Silver”,”value”:”Silver”},{“name”:”Length”,”normalizedValue”:”7-3/4 in”,”value”:”7 3/4 in”},{“name”:”Material”,”normalizedValue”:”Galvanized Steel”,”value”:”Galvanized Steel”},{“name”:”Nominal Capacity”,”normalizedValue”:”314″,”value”:”314″},{“name”:”Includes”,”normalizedValue”:”Collar”,”value”:”Collar”},{“name”:”Airflow Direction”,”normalizedValue”:”Horizontal”,”value”:”Horizontal”},{“name”:”Frame Depth”,”normalizedValue”:”27-3/8 in”,”value”:”27 3/8 in”},{“name”:”Blade Seal Material”,”normalizedValue”:”Stainless Steel”,”value”:”Stainless Steel”},{“name”:”Rough Opening Shape”,”normalizedValue”:”Round”,”value”:”Round”},{“name”:”Flange Type”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Blade Orientation”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Standards”,”normalizedValue”:”CSA, cUL, UL Listed”,”value”:”CSA, cUL, UL Listed”},{“name”:”Maximum Pressure”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Fusible Link Temperature”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Overall Length”,”normalizedValue”:”27-3/8 in”,”value”:”27 3/8 in”},{“name”:”ACMA Leakage Class”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Free Area”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Rough Opening Diameter”,”normalizedValue”:”20 in”,”value”:”20 in”},{“name”:”Frame Material Thickness”,”normalizedValue”:”18 ga”,”value”:”18 ga”},{“name”:”Mounting Style”,”normalizedValue”:”Surface Mount”,”value”:”Surface Mount”},{“name”:”Maximum Ambient Temperature”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Fits Fan Diameter”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Closure Velocity Rating”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Counterbalanced”,”normalizedValue”:”Yes”,”value”:”Yes”},{“name”:”Rough Opening Width”,”normalizedValue”:”20 in”,”value”:”20 in”},{“name”:”Connection Type”,”normalizedValue”:”Press Fit”,”value”:”Press Fit”},{“name”:”Closure Pressure Rating”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”For Fuel Type”,”normalizedValue”:”Natural Gas and Oil”,”value”:”Natural Gas and Oil”},{“name”:”Overall Width”,”normalizedValue”:”22 in”,”value”:”22 in”},{“name”:”Number of Panels”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Seal Material”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”For Nominal Duct Diameter”,”normalizedValue”:”19 in, 20 in, 21 in”,”value”:”19 in; 20 in; 21 in”},{“name”:”Overall Diameter”,”normalizedValue”:”20 in”,”value”:”20 in”},{“name”:”Pressure Drop @ 1000 fpm (AMCA 5.2)”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Blade Type”,”normalizedValue”:”Flat Blade”,”value”:”Flat Blade”},{“name”:”For Duct Shape”,”normalizedValue”:”Round”,”value”:”Round”},{“name”:”Single Acting/Double Acting”,”normalizedValue”:”Double Acting, Single”,”value”:”Single and Double Acting”},{“name”:”Rough Opening Length”,”normalizedValue”:”7-3/4 in”,”value”:”7 3/4 in”},{“name”:”Damper Application”,”normalizedValue”:”Barometric Draft Control”,”value”:”Barometric Draft Control”},{“name”:”Flange Width”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Blade Material”,”normalizedValue”:”Stainless Steel”,”value”:”Stainless Steel”},{“name”:”Closure Type”,”normalizedValue”:”Gravity”,”value”:”Gravity”},{“name”:”Frame Material”,”normalizedValue”:”Steel”,”value”:”Steel”},{“name”:”Switch Action”,”normalizedValue”:”Normally Closed”,”value”:”Normally Closed”},{“name”:”Overall Height”,”normalizedValue”:”22 in”,”value”:”22 in”},{“name”:”Frame Less Flange”,”normalizedValue”:”314 sq in”,”value”:”314 sq in”},{“name”:”Maximum Air Velocity”,”normalizedValue”:””,”value”:”Not Applicable”},{“name”:”Country of Origin (subject to change)”,”normalizedValue”:”United States”,”value”:”United States”},{“name”:”Package Quantity”,”normalizedValue”:”1″,”value”:”1″}]