{"product_id":"southwark-metal-70710000-quadrant-damper-3-inches","title":"Southwark Metal 70710000 Quadrant Damper 3 Inches","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SOUTHWARK METAL 70710000 is a 3-inch quadrant damper designed for use in residential and light commercial HVAC duct systems. A quadrant damper controls airflow within a duct run by rotating a damper blade to restrict or open the passage. It is typically installed inline in round or rectangular branch duct work to balance air distribution across zones or individual supply runs. Licensed HVAC technicians and sheet metal contractors are the primary installers of this component.\u003c\/p\u003e\u003cp\u003eThis damper is suited for residential forced-air systems and light commercial ducted HVAC applications where manual airflow balancing is required. At 3 inches, it fits standard 3-inch round duct branches commonly found in residential supply or return air distribution networks. Installation occurs during new construction rough-in or retrofit balancing projects.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e3-inch duct size for standard residential branch duct applications\u003c\/li\u003e\n\u003cli\u003eQuadrant-style blade design allows manual airflow adjustment\u003c\/li\u003e\n\u003cli\u003eCompatible with round duct systems requiring inline flow control\u003c\/li\u003e\n\u003cli\u003eCompact form factor suited for tight mechanical spaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or new-installation component for 3-inch round duct branch runs in residential and light commercial forced-air HVAC systems.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed HVAC technician or qualified sheet metal contractor. Power down the air handling unit and verify the system is de-energized before beginning duct work. Secure the damper using sheet metal screws and seal connections with UL-listed foil tape or mastic sealant per local mechanical code requirements. Do not install in a location that restricts access to the adjustment quadrant.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct Size\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamper Type\u003c\/strong\u003e: Quadrant\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SOUTHWARK METAL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 70710000\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SOUTHWARK METAL","offers":[{"title":"Default Title","offer_id":51284155629874,"sku":"70710000","price":18.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/309277390.jpg?v=1781069990","url":"https:\/\/voomisupply.com\/products\/southwark-metal-70710000-quadrant-damper-3-inches","provider":"Voomi Supply","version":"1.0","type":"link"}