{"product_id":"therwen-backdraft-damper-8-inch-manual-duct-damper-for-air-balancing-galvanized-steel","title":"Therwen Backdraft Damper 8-Inch Manual Duct Damper for Air Balancing | Galvanized Steel","description":"\u003ch2\u003eTherwen 8-Inch Backdraft Damper for Air Balancing\u003c\/h2\u003e\n\u003cp\u003eTherwen's Backdraft Damper delivers reliable, manual control for ducted airflow across multiple branches. This 8-inch damper is built with a galvanized iron sleeve for durability and is designed to be inserted into standard ventilation runs, helping you balance airflow where it's most needed. The bend end interface measures about 7-7\/8 inches (20 cm) in diameter on one side, while the opposite end is about 8 inches (20.32 cm) wide and the unit stands roughly 6 inches (15.24 cm) tall. This geometry supports straightforward retrofits in many homes and commercial spaces, including range hoods, fans, and other HVAC branches.\u003c\/p\u003e\n\u003cp\u003eEasy to install: simply slide the damper into the pipe, align it with the chosen position, and screw it in. Sealing all joints with pipe sealant can minimize air leaks and help improve overall HVAC efficiency. The design is not intended as a complete air termination device; instead, it enables practical balancing by letting you redirect portions of the flow to specific locations.\u003c\/p\u003e\n\u003cp\u003eDurable construction meets demand: the 8-inch damper is wrapped in a galvanized iron sleeve, offering high hardness and temperature resistance. This helps resist deformation and moisture, supporting longer service life even in challenging environments. The damper is compatible with a wide range of applications, including air conditioning, dryer vents, exhausts, range hoods, heating systems, and other residential, commercial, or light industrial HVAC setups.\u003c\/p\u003e\n\u003ch3\u003eKey benefits and typical uses\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManual adjustment allows on-demand airflow control without complex controls\u003c\/li\u003e\n\u003cli\u003eSimple installation with basic tools and quick positioning\u003c\/li\u003e\n\u003cli\u003eGalvanized iron sleeve provides durable, moisture-resistant housing\u003c\/li\u003e\n\u003cli\u003eNot a sealed termination device; useful for achieving balanced airflow across branches\u003c\/li\u003e\n\u003cli\u003eFits 8-inch ventilation ducts and compatible with most standard systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePractical tips for installation and maintenance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSlide the damper into the pipe, screw it to the desired position, and seal the seam with tape\u003c\/li\u003e\n\u003cli\u003eSeal all connections with pipe sealant to reduce leaks and improve efficiency\u003c\/li\u003e\n\u003cli\u003eCheck seals periodically and re-seal as needed to maintain performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn real-world setups, the damper offers flexibility to balance airflow between rooms or appliances without extensive ductwork changes. If you plan multiple dampers, install each on its own branch to fine-tune the overall system performance.\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 main purpose of the Therwen Backdraft Damper?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Therwen's damper provides manual airflow balancing in duct systems by adjusting the damper position, guiding airflow to different zones.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should the Therwen Backdraft Damper be installed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Slide into the pipe, secure with screws, and seal all connections to prevent leaks and improve efficiency.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Therwen","offers":[{"title":"Default Title","offer_id":47467325227182,"sku":"B0CRB5NP6R","price":89.58,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/6012\/9710\/files\/therwen-backdraft-damper-8in-side-view.jpg?v=1770362456","url":"https:\/\/handyskook.ca\/products\/therwen-backdraft-damper-8-inch-manual-duct-damper-for-air-balancing-galvanized-steel","provider":"HandySkook","version":"1.0","type":"link"}