{"product_id":"duravent-7dp-wt-7-duraplus-galvanized-wall-thimble","title":"DuraVent 7DP-WT 7\" DuraPlus Galvanized Wall Thimble","description":"\u003cp data-path-to-node=\"1\"\u003eBuild the perfect custom venting system for your heating appliance with the DuraVent 7\" DuraPlus Galvanized Wall Thimble. Designed for exceptional performance and long-lasting durability, this essential through-the-wall component is expertly engineered to provide a safe, complete pass-through between standard wall studs for horizontal chimney installations. Featuring a 17\" x 17\" frame with a 7-inch inner diameter and a 14-inch outer diameter, its telescoping design adjusts from 4 1\/4 inches to 7 1\/4 inches (4.75\" to 7.75\") in wall thickness, and can be extended up to 16 inches to accommodate thicker walls with a field-fabricated extension installed. For a proper, code-compliant setup, it must be installed with DuraPlus chimney pipe running horizontally through the wall and extending a minimum of 2 inches into the room beyond the interior wall. Finished with a painted-black interior trim ring for a clean, attractive appearance, it connects easily to your stove pipe using an appropriate DVL or DuraBlack adapter (sold separately).\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eEngineered for professional hearth contractors and dedicated DIY homeowners, this premium galvanized wall thimble (model 7DP-WT) guarantees a fast, reliable assembly for a fully code-compliant installation. Tested and listed to strict UL 103 HT safety standards and backed by a limited-lifetime warranty, it provides dependable, long-term protection for your high-temperature venting system. As with all DuraPlus installations, always remember to maintain a strictly mandatory 2-inch minimum airspace clearance to all combustible materials throughout your main chimney run. Complete your residential wood stove or fireplace exhaust setup safely today with this indispensable DuraPlus through-the-wall component!\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdjusts from a minimum of 4 1⁄4” to a maximum of 7 1⁄4” wall thickness, and fits between standard wall studs.\u003c\/li\u003e\n\u003cli\u003eTo accommodate thicker walls, the telescoping pieces can be extended up to 16” with a field-fabricated extension installed.\u003c\/li\u003e\n\u003cli\u003eMust be installed with DuraPlus chimney pipe horizontally through the wall and extend a minimum of 2” into the room beyond the interior wall.\u003c\/li\u003e\n\u003cli\u003eInterior trim ring painted black.\u003c\/li\u003e\n\u003cli\u003eFor adapters, see DVL and DuraBlack section.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMaterials and Construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e.016” 430 stainless steel outer wall\u003c\/li\u003e\n\u003cli\u003e.016” 430 stainless steel inner liner.\u003c\/li\u003e\n\u003cli\u003e.018” galvanized steel outer wall.\u003c\/li\u003e\n\u003cli\u003e.018” aluminized steel intermediate liner.\u003c\/li\u003e\n\u003cli\u003eInsulated layers plus ventilated air space.\u003c\/li\u003e\n\u003cli\u003eLocks tightly with a precision twist-lock connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003ctable width=\"412\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"103\"\u003eModel\u003c\/td\u003e\n\u003ctd width=\"103\"\u003e7DP-WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"103\"\u003eDiameter\u003c\/td\u003e\n\u003ctd width=\"103\"\u003e7\" (inner) \/ 14\" (outer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"103\"\u003eDimensions\u003c\/td\u003e\n\u003ctd width=\"103\"\u003e17\" x 17\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"103\"\u003eWall Thickness\u003c\/td\u003e\n\u003ctd width=\"309\"\u003e4.75\" to 7.75\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"103\"\u003eClearances\u003c\/td\u003e\n\u003ctd width=\"309\"\u003e2\" clearance to combustible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"103\"\u003eListings\u003c\/td\u003e\n\u003ctd width=\"309\"\u003eUL Listed to UL 103HT (MH7399).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"103\"\u003eWarranty\u003c\/td\u003e\n\u003ctd width=\"309\"\u003eLimited-lifetime warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/5022\/9802\/files\/DTDP_-_Wall_Thimble_ff7f6893-f3fc-4dd9-a80e-72e406b99dc9.png?v=1792837174\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cdiv\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","brand":"DuraVent","offers":[{"title":"Default Title","offer_id":53121616412959,"sku":"7DP-WT","price":440.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5022\/9802\/files\/DuraVent_7DP-WTSS_7_DuraPlus_Stainless_Steel_Wall_Thimble.jpg?v=1792838382","url":"https:\/\/ridgeflame.com\/products\/duravent-7dp-wt-7-duraplus-galvanized-wall-thimble","provider":"Ridge Flame","version":"1.0","type":"link"}