{"product_id":"imperial-3-in-d-x-5-in-d-galvanized-steel-furnace-pipe-increaser","title":"Imperial 3 in. D X 5 in. D Galvanized Steel Furnace Pipe Increaser","description":"\u003cdiv\u003e\n\u003cp\u003eThe Imperial 3 in. D × 5 in. D Galvanized Steel Furnace Pipe Increaser is a purpose-built duct transition designed to bridge a 3-inch furnace outlet to a 5-inch vent run in Type A vent systems. Crafted from durable 26-gauge galvanized steel, this connector combines long-lasting corrosion resistance with a precise fit for reliable, leak-free performance in residential or light commercial applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstrong end diameter:\u003e 3 in\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong end diameter:\u003e 5 in\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong end type:\u003e Crimp on Large End\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong gauge:\u003e 26\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong material:\u003e Galvanized steel\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong vent type:\u003e Type A\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong color:\u003e Silver\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong packaging:\u003e Boxed\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong brand:\u003e Imperial\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhere it matters, this increaser shines. Use it when you need a precise, dependable transition between a smaller 3-inch furnace outlet and a larger 5-inch vent run without introducing turbulent airflow or pressure loss. The crimp-on large end simplifies installation by providing a secure, slip-fit connection that resists loosening over time, even in attics or crawl spaces where temperature swings are common.\u003c\/p\u003e \u003cp\u003ePractical use cases include:\n- Retrofitting an older furnace or water heater vent to accommodate a larger duct path in Type A vent systems.\n- Upgrading a 3-inch exhaust line to a 5-inch run to support increased airflow or higher-capacity appliances.\n- Reconfiguring existing duct layouts in tight spaces where a clean, metal-to-metal transition is required.\u003c\/p\u003e \u003cp\u003eIdeal for homeowners tackling DIY projects with basic HVAC tools and for professionals performing residential installations. The Imperial furnace pipe increaser provides a dependable, ready-to-install solution that minimizes friction losses and maintains a clean, metal-sealed joint—crucial for safe, code-compliant venting in Type A systems.\u003c\/p\u003e \u003cp\u003eTips for best results:\n- Verify that the 3 in and 5 in ends align with your existing ducts before assembly.\n- Use appropriate clamps or fasteners compatible with 26-gauge galvanized steel to secure the connection.\n- Confirm local code requirements for Type A vent components and transitions in your area.\u003c\/p\u003e \u003cp\u003eWith its galvanized steel construction and boxed packaging, this Imperial increaser is built to withstand the rigors of installation and daily furnace vent operation. It’s a purpose-driven choice for efficient, reliable duct transitions in heating and ventilation projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Imperial","offers":[{"title":"Default Title","offer_id":52199932592402,"sku":"4006326","price":11.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4006326_A.eps_High.jpg?v=1776292893","url":"https:\/\/nationalhardwaregroup.com\/products\/imperial-3-in-d-x-5-in-d-galvanized-steel-furnace-pipe-increaser","provider":"National Hardware Group","version":"1.0","type":"link"}