{"product_id":"therwen-6-inch-backdraft-damper-for-ducts-manual-airflow-balancing-for-range-hoods-fans","title":"Therwen 6-Inch Backdraft Damper for Ducts – Manual Airflow Balancing for Range Hoods \u0026 Fans","description":"\u003cp\u003eMeet the Therwen 6-inch backdraft damper, a sturdy manual regulator designed to help you guide airflow within duct branches for range hoods, exhausts, and other HVAC paths. Its galvanized iron sleeve provides structure and resilience, helping it hold its shape under heat and moisture while remaining accessible for everyday adjustments. The unit is well suited for residential, commercial, and light industrial settings, offering a practical option for balancing air in active spaces without fully sealing off a duct.\u003c\/p\u003e\n\u003ch2\u003eKey design features and durable construction\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDiameter and fit: bend end interface around 5.87 inches and the opposite side about 6 inches, with a height near 6.25 inches, designed for 6-inch ventilation ducts.\u003c\/li\u003e\n  \u003cli\u003eRobust material: galvanized iron sleeve provides high hardness and heat resistance, helping resist deformation and moisture-related wear.\u003c\/li\u003e\n  \u003cli\u003eNot a sealant solution: the damper is not intended to terminate airflow but to assist with air balancing across branches.\u003c\/li\u003e\n  \u003cli\u003eManual adjustment: regulate airflow by repositioning the damper to direct air where needed within a duct network.\u003c\/li\u003e\n  \u003cli\u003eLong-term performance: corrosion resistance and durable fabrication support reliable operation over time in typical HVAC environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEasy installation and practical maintenance\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: slide the damper into the pipe, secure it in an adjustable position, and hide the seam with tape. For best results, seal all connections with pipe sealant to minimize air leakage and improve overall HVAC efficiency.\u003c\/p\u003e\n\u003ch2\u003eApplications and real-world uses\u003c\/h2\u003e\n\u003cp\u003eIdeal for a range of applications including air conditioning lines, dryer vents, exhausts, range hoods, and heating systems. This 6-inch damper fits common ductwork and can be used across residential, commercial, and light industrial settings to help balance air flow across multiple locations in a building.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePromotes targeted airflow to specific rooms or zones, supporting comfort and efficiency.\u003c\/li\u003e\n  \u003cli\u003eSupports simple retrofits in existing 6-inch duct networks without major remodeling.\u003c\/li\u003e\n  \u003cli\u003eOffers a tangible, adjustable option for balancing pressure differences between branches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat you can expect in practice\u003c\/h3\u003e\n\u003cp\u003eWith the Therwen damper, you gain a practical tool to fine-tune how air travels through a duct system. Use it to shift air toward areas that need it, reduce unwanted drafts, and maintain steadier performance across your HVAC setup. Consider it a flexible component for hands-on balancing rather than a one-size-fits-all solution.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the purpose of the Therwen Backdraft Damper?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A manual damper to regulate airflow in duct systems, suitable for range hoods, fans, and vents, aiding simple air balancing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I install the 6-inch damper?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Slide into the duct, adjust the position, and seal joints with tape or pipe sealant to minimize leaks and improve efficiency.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Therwen","offers":[{"title":"Default Title","offer_id":47467323883694,"sku":"B0C36J5RCT","price":87.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/6012\/9710\/files\/therwen-backdraft-damper-6inch-duct-assembly.jpg?v=1770362330","url":"https:\/\/handyskook.ca\/products\/therwen-6-inch-backdraft-damper-for-ducts-manual-airflow-balancing-for-range-hoods-fans","provider":"HandySkook","version":"1.0","type":"link"}