{"product_id":"national-chimney-smoothwall-wood-burning-insert-liner-kit-6-inch","title":"National Chimney Smoothwall Wood-Burning Insert Liner Kit | 6-Inch","description":"\u003ch3 style=\"text-align: center;\"\u003eNational Chimney Smoothwall Wood-Burning Insert Liner Kit | 6-Inch\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eNational Chimney Smoothwall Wood-Burning Insert Liner Kit\u003c\/strong\u003e, engineered for high-performance wood stove venting and fireplace insert applications. This premium smooth wall chimney liner kit is designed to deliver superior draft efficiency, improved airflow, and safer operation. Built from durable 316L stainless steel smoothwall liner, it provides excellent corrosion resistance and long-lasting reliability for demanding heating environments.\u003c\/p\u003e\n\u003cp\u003eIdeal for installations where no tee or tee cap is required, this UL-style chimney liner system ensures a clean, direct venting path for optimal performance. The included stove adapter with EZ clamp connection system creates an airtight, secure fit between the liner and appliance, making installation fast and dependable. Perfect for chimney relining projects, this wood-burning insert liner kit enhances heating efficiency while maintaining consistent, safe exhaust flow for wood stoves and fireplace inserts.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHigh-Efficiency Smoothwall Chimney Liner Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – The\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e316L stainless steel smoothwall liner delivers up to 20% more airflow than standard corrugated liners, improving draft performance and making it a top-tier wood-burning stove liner kit for enhanced heating efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eUL 1777 Listed All-Fuel Chimney Liner Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Fully tested and certified for \u003c\/span\u003ewood, coal, oil, pellet, and gas appliances, ensuring safe and reliable performance across multiple all-fuel chimney venting applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePremium 316L Stainless Steel Construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Built from double-layered, mill-certified \u003c\/span\u003e.005” thick 316L stainless steel, this flexible chimney liner kit\u003cspan\u003e offers exceptional resistance to heat, corrosion, and moisture for long-lasting durability.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eEZ Clamp Stove Adapter System\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Includes a pre-fitted \u003c\/span\u003estove adapter with EZ clamp connection, providing a secure, airtight seal between the liner and appliance for fast, tool-free installation and improved venting safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eComplete Chimney Liner Installation Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Comes with a \u003c\/span\u003esmoothwall liner, 13” x 13” top plate, and rain cap, offering a full chimney relining solution for efficient and professional installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOptimized for Wood Stove \u0026amp; Fireplace Inserts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Designed specifically for \u003c\/span\u003ewood-burning insert liner kit applications\u003cspan\u003e, delivering improved airflow, stronger draft, and reduced creosote buildup for safer operation.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eEnhanced Draft \u0026amp; Creosote Reduction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Smooth interior wall design promotes consistent airflow, helping to minimize \u003c\/span\u003ecreosote accumulation\u003cspan\u003e and maintain cleaner chimney performance.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFlexible Length Options for Installation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Available in \u003c\/span\u003e15 ft, 25 ft, and 35 ft lengths, making it suitable for a wide range of chimney relining and venting system configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eImproved Venting Efficiency for Maximum Performance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Engineered for optimal exhaust flow, ensuring your \u003c\/span\u003efireplace insert or wood stove operates at peak efficiency and safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWeather-Resistant Top Kit Protection\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Includes a durable \u003c\/span\u003erain cap and top plate system\u003cspan\u003e that protects against moisture, debris, and downdrafts for long-term chimney system reliability.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 11.7329%;\"\u003eDiameter\u003c\/th\u003e\n\u003cth style=\"width: 9.02527%;\"\u003eLength\u003c\/th\u003e\n\u003cth style=\"width: 22.2022%;\"\u003eMaterial\u003c\/th\u003e\n\u003cth style=\"width: 41.3822%;\"\u003eIncludes\u003c\/th\u003e\n\u003cth style=\"width: 14.2135%;\"\u003eSKU\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.7329%;\"\u003e6\"\u003c\/td\u003e\n\u003ctd style=\"width: 9.02527%;\"\u003e15'\u003c\/td\u003e\n\u003ctd style=\"width: 22.2022%;\"\u003e316L Stainless Steel\u003c\/td\u003e\n\u003ctd style=\"width: 41.3822%;\"\u003eLiner, Stove Adapter, Rain Cap, Top Plate\u003c\/td\u003e\n\u003ctd style=\"width: 14.2135%;\"\u003eSM615B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.7329%;\"\u003e6\"\u003c\/td\u003e\n\u003ctd style=\"width: 9.02527%;\"\u003e25'\u003c\/td\u003e\n\u003ctd style=\"width: 22.2022%;\"\u003e316L Stainless Steel\u003c\/td\u003e\n\u003ctd style=\"width: 41.3822%;\"\u003eLiner, Stove Adapter, Rain Cap, Top Plate\u003c\/td\u003e\n\u003ctd style=\"width: 14.2135%;\"\u003eSM625B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.7329%;\"\u003e6\"\u003c\/td\u003e\n\u003ctd style=\"width: 9.02527%;\"\u003e35'\u003c\/td\u003e\n\u003ctd style=\"width: 22.2022%;\"\u003e316L Stainless Steel\u003c\/td\u003e\n\u003ctd style=\"width: 41.3822%;\"\u003eLiner, Stove Adapter, Rain Cap, Top Plate\u003c\/td\u003e\n\u003ctd style=\"width: 14.2135%;\"\u003eSM635B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLimited Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDocuments \u0026amp; Files\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/SmoothwallLiner_Brochure_MFlex.pdf?v=1781601228\" rel=\"noopener\" target=\"_blank\"\u003eProduct Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"National Chimney","offers":[{"title":"15 Foot","offer_id":55239765098787,"sku":"SW615BK","price":704.76,"currency_code":"USD","in_stock":true},{"title":"25 Foot","offer_id":55239765164323,"sku":"SW625BK","price":1143.12,"currency_code":"USD","in_stock":true},{"title":"35 Foot","offer_id":55239771160867,"sku":"SW625BK","price":1581.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/National-Chimney-Smoothwall-Wood-Burning-Insert-Liner-Kit-National-Chimney-Dreamwood-Living-233673083.jpg?v=1781601442","url":"https:\/\/www.dreamwoodliving.com\/products\/national-chimney-smoothwall-wood-burning-insert-liner-kit-6-inch","provider":"Dreamwood Living","version":"1.0","type":"link"}