{"product_id":"6dt-ap17x17","title":"DuraVent 6DT-AP17x17 6\" DuraTech 13\" x 21\" Rectangular Transition Anchor Plate","description":"\u003cp data-path-to-node=\"1\"\u003eSeamlessly upgrade your masonry chimney system with the DuraVent 6\" DuraTech 13\" x 21\" Rectangular Transition Anchor Plate. Specifically engineered for complex chimney restorations, this heavy-duty component is strictly required when converting an existing DuraLiner installation into a top-performing DuraTech all-fuel chimney stack. The 13-inch by 21-inch rectangular base plate provides a broad, secure mounting footprint designed to perfectly accommodate uniquely sized masonry crowns. Built to withstand extreme temperatures and harsh outdoor weather, it creates a tight, structural seal that prevents dangerous drafts and moisture leaks at the very top of your chimney structure.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eTailored for professional masons and dedicated DIY hearth installers, this transition plate (model 6DT-AP13x21) ensures a flawlessly integrated venting upgrade. To achieve a secure and strictly code-compliant fit, this anchor plate must be installed in conjunction with a DuraLiner Slip Connector and Hanger. Together, these components safely bridge the gap between your interior masonry liner and your 6-inch inside diameter DuraTech exterior pipe. Protect your home and maximize the drafting efficiency of your wood stove or fireplace by incorporating this essential transition hardware into your next restoration project!\u003c\/p\u003e\n\u003ch3 class=\"station-tabs-tabtitle\"\u003e\u003cspan id=\"station-tabs-tab_ht-i0-t13\" class=\"station-tabs-tab is-active\" data-slug=\"whats-included\" role=\"button\" tabindex=\"0\"\u003e\u003cspan class=\"station-tabs-tabtext\"\u003eIncluded\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"station-tabs-tabpanel is-active\" id=\"station-tabs-tabpanel_ht-i0-t13\" role=\"region\"\u003e\n\u003cdiv class=\"station-tabs-tabcontent\"\u003e\n\u003cul\u003e\n\u003cli\u003eTransition Anchor Plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"station-tabs-tabtitle\"\u003e\u003cspan id=\"station-tabs-tab_ht-i0-t17\" class=\"station-tabs-tab is-active\" data-slug=\"features\" role=\"button\" tabindex=\"0\"\u003e\u003cspan class=\"station-tabs-tabtext\"\u003eFeatures\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"station-tabs-tabpanel is-active\" id=\"station-tabs-tabpanel_ht-i0-t17\" role=\"region\"\u003e\n\u003cdiv class=\"station-tabs-tabcontent\"\u003e\n\u003cul\u003e\n\u003cli\u003eUse when converting from DuraLiner to DuraTech in chimney restoration.\u003c\/li\u003e\n\u003cli\u003eUse with a DuraLiner Slip Connector and Hanger.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"station-tabs-tabtitle\"\u003e\u003cspan id=\"station-tabs-tab_ht-i0-t25\" class=\"station-tabs-tab is-active\" data-slug=\"specifications\" role=\"button\" tabindex=\"0\"\u003e\u003cspan class=\"station-tabs-tabtext\"\u003eSpecifications\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"station-tabs-tabpanel is-active\" id=\"station-tabs-tabpanel_ht-i0-t25\" role=\"region\"\u003e\n\u003cdiv class=\"station-tabs-tabcontent\"\u003e\n\u003ctable width=\"100%\" style=\"height: 117.563px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"50%\" style=\"height: 19.5938px;\"\u003eModel\u003c\/td\u003e\n\u003ctd width=\"50%\" style=\"height: 19.5938px;\"\u003e6DT-AP13x21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"50%\" style=\"height: 19.5938px;\"\u003eSeries\u003c\/td\u003e\n\u003ctd width=\"50%\" style=\"height: 19.5938px;\"\u003eDuraTech DT (5\"-8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eTransition Anchor Plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e(Size) Inside Diameter\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eA\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e13”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eB\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e21”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Dimensions\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/5022\/9802\/files\/DuraTech_DT_-_Transition_Anchor_Plate.jpg?v=1790422983\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWarranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.2979%;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/5022\/9802\/files\/ChatGPT_Image_Jun_18_2026_02_25_23_PM.png?v=1781771144\" alt=\"\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3543%;\"\u003eDuravent, Inc. (“Duravent”) provides this limited lifetime warranty for all of its products with the exception of Ventinox® (lifetime), and PolyPro® (ten years). Subject to the limitations set forth below, Duravent warrants that its products will be free from defects in material or manufacturing, if properly installed, maintained and used.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: rgb(255, 128, 0);\"\u003e\u003cspan style=\"color: rgb(48, 48, 48); font-size: 0.875rem;\"\u003eAbout The Manufacturer\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(48, 48, 48); font-size: 0.875rem;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/5022\/9802\/files\/Duravent_Logo.png?v=1789738697\" alt=\"\" width=\"411\" height=\"124\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDuraVent is a leading manufacturer of high-quality chimney and venting systems for residential and commercial applications. The company provides reliable solutions for wood, gas, pellet, and oil-burning appliances. Its products are rigorously tested to meet strict safety standards in the United States and Canada. DuraVent systems are engineered for durability, dependable performance, and long-term protection. Innovative features such as twist-lock connections help make installation faster, easier, and more secure. Trusted by homeowners and industry professionals, DuraVent is a recognized leader in venting technology.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"DuraVent","offers":[{"title":"Default Title","offer_id":52934382027039,"sku":"6DT-AP17x17","price":790.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5022\/9802\/files\/DuraVent_6DT-AP17x21_6_DuraTech_17_x_21_Rectangular_Transition_Anchor_Plate.jpg?v=1790427232","url":"https:\/\/ridgeflame.com\/products\/6dt-ap17x17","provider":"Ridge Flame","version":"1.0","type":"link"}