{"product_id":"national-chimney-db425kit-m-flex-aluminum-liner-kit-4-inches-x-25-feet-for-gas-units","title":"National Chimney DB425KIT M-FLEX aluminum liner kit 4 inches x 25 feet for gas units","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NATIONAL CHIMNEY DB425KIT is an M-FLEX aluminum liner kit designed for gas units with an A.F.U.E. of 83% or lower. This kit provides a complete venting solution, including a UL Listed and Tested 2-ply aluminum liner, an aluminum mortar collar, a 16\"x 16\" aluminum top plate with a 2\" high collar, and an aluminum cap. It ensures proper and safe exhaust for compatible gas appliances.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUL Listed and Tested 2-ply aluminum liner for durability and safety.\u003c\/li\u003e\n  \u003cli\u003eIncludes aluminum mortar collar for secure thimble connection.\u003c\/li\u003e\n  \u003cli\u003eFeatures a 16\"x 16\" aluminum top plate with a 2\" high collar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003elisted to UL441 standards.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NATIONAL CHIMNEY\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: DB425KIT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: DB425KIT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NATIONAL CHIMNEY\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLiner Diameter\u003c\/strong\u003e: 4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLiner Length\u003c\/strong\u003e: 25'\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLiner Material\u003c\/strong\u003e: 2-ply aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Gas Units\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAFUE Compatibility\u003c\/strong\u003e: 83% or lower\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop Plate Dimensions\u003c\/strong\u003e: 16\" x 16\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop Plate Collar Height\u003c\/strong\u003e: 2\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: UL441\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"NATIONAL CHIMNEY","offers":[{"title":"Default Title","offer_id":51306963435826,"sku":"DB425KIT","price":156.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/309539301.webp?v=1781303227","url":"https:\/\/voomisupply.com\/products\/national-chimney-db425kit-m-flex-aluminum-liner-kit-4-inches-x-25-feet-for-gas-units","provider":"Voomi Supply","version":"1.0","type":"link"}