{"product_id":"national-chimney-m-flex-standard-liner-kit-with-tee","title":"National Chimney M-Flex Standard Liner Kit with Tee","description":"\u003ch3 style=\"text-align: center;\"\u003eNational Chimney M-Flex Standard Liner Kit with Tee\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eNational Chimney M-Flex Standard Liner Kit with Tee\u003c\/strong\u003e, a premium all-fuel chimney liner kit designed for wood-burning, oil, coal, and gas appliances. This UL 1777 listed stainless steel chimney liner delivers superior durability, corrosion resistance, and safe, efficient venting performance for long-term reliability.\u003c\/p\u003e\n\u003cp\u003eIdeal for chimney relining projects, the M-Flex Standard Liner Kit provides a complete venting solution with a durable stainless steel construction and integrated tee for secure connection and easy installation. This chimney liner kit enhances draft performance, improves appliance efficiency, and helps reduce creosote buildup. Perfect for upgrading existing masonry chimneys, it ensures reliable all-fuel venting for wood stoves, fireplaces, and oil or gas heating systems, long-lasting safe chimney venting performance.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePremium 316 Stainless Steel Chimney Liner\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Manufactured from high-quality \u003c\/span\u003e.006” thick 316 stainless steel, this chimney liner kit delivers exceptional durability, heat resistance, and long-lasting performance for chimney relining systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eUL 1777 Certified All-Fuel Chimney Liner Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Fully tested and \u003c\/span\u003eUL 1777 listed, ensuring safe, reliable venting for wood, oil, coal, and gas appliances in residential and professional installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eComplete Pre-Packaged Chimney Liner Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Includes a \u003c\/span\u003eflexible stainless steel liner, top kit, and two-part tee with removable snout and end cap, providing everything needed for a fast and efficient installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFlexible \u0026amp; Corrosion-Resistant Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Engineered for easy installation in existing masonry chimneys, this\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003eflex chimney liner\u003cspan\u003e resists corrosion, moisture, and extreme temperature changes for long-term reliability.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eStrong Interlocking Construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Features a secure interlocking system that ensures a \u003c\/span\u003egas-tight and watertight seal, improving safety and overall chimney venting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTwo-Part Tee with Cleanout Access\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Includes a \u003c\/span\u003edurable chimney tee with snout and end cap\u003cspan\u003e, making inspections and maintenance simple and convenient.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOptimized for Multiple Fuel Types\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Compatible with \u003c\/span\u003ewood-burning stoves, oil furnaces, coal systems, and gas appliances, making it a versatile all-fuel chimney liner kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCorrugated Flexible Construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Designed to expand and contract with heat cycles, ensuring structural integrity and consistent performance over time.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAvailable Size Options\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Offered in \u003c\/span\u003e6-inch and 8-inch diameters, with 25-foot and 35-foot length options\u003cspan\u003e to suit a variety of chimney configurations.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eComplete Installation Top Kit Included\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Comes with a \u003c\/span\u003erain cap and 13” x 13” top plate\u003cspan\u003e, providing full weather protection and a professional-grade chimney finishing solution.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLifetime Warranty Protection\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Backed by a \u003c\/span\u003elifetime warranty\u003cspan\u003e, ensuring long-term peace of mind and dependable chimney system performance when properly maintained.\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\u003eSpecification\u003c\/th\u003e\n\u003cth\u003e6\" Diameter\u003c\/th\u003e\n\u003cth\u003e8\" Diameter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel (.006” thick)\u003c\/td\u003e\n\u003ctd\u003e316 Stainless Steel (.006” thick)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLiner Lengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 ft, 35 ft\u003c\/td\u003e\n\u003ctd\u003e25 ft, 35 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL 1777 Listed\u003c\/td\u003e\n\u003ctd\u003eUL 1777 Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuel Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWood, Oil, Coal, Gas\u003c\/td\u003e\n\u003ctd\u003eWood, Oil, Coal, Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTee Snout Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10” removable snout\u003c\/td\u003e\n\u003ctd\u003e10” removable snout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTop Kit Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRain cap, 13” x 13” top plate\u003c\/td\u003e\n\u003ctd\u003eRain cap, 13” x 13” top plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLifetime Transferable\u003c\/td\u003e\n\u003ctd\u003eLifetime Transferable\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\n\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/MflexLiner_Brochure_MFlex.pdf?v=1781595656\" target=\"_blank\"\u003eProduct Brochure\u003c\/a\u003e\u003ca rel=\"noopener\" title=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/Le_Griddle_-_GEE40_Owner_s_Manual_-_7.29.2020_1.pdf?v=1627960928\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/Le_Griddle_-_GEE40_Owner_s_Manual_-_7.29.2020_1.pdf?v=1627960928\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/CB-AL-Install.pdf?v=1781595640\" target=\"_blank\"\u003eInstallation Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"National Chimney","offers":[{"title":"25 Foot \/ 6 inch","offer_id":55239745306915,"sku":"CB625KIT","price":1064.5,"currency_code":"USD","in_stock":true},{"title":"25 Foot \/ 8 inch","offer_id":55239745339683,"sku":"CB825KIT","price":1369.62,"currency_code":"USD","in_stock":true},{"title":"35 Foot \/ 6 inch","offer_id":55239745372451,"sku":"CB635KIT","price":1360.36,"currency_code":"USD","in_stock":true},{"title":"35 Foot \/ 8 inch","offer_id":55239745405219,"sku":"CB835KIT","price":1704.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/National-Chimney-M-Flex-Standard-Liner-Kit-National-Chimney-Dreamwood-Living-233672980.jpg?v=1781600547","url":"https:\/\/www.dreamwoodliving.com\/products\/national-chimney-m-flex-standard-liner-kit-with-tee","provider":"Dreamwood Living","version":"1.0","type":"link"}