{"product_id":"duravent-b-vent-storm-collar","title":"Duravent B-Vent Storm Collar","description":"\u003cp\u003e\u003cb\u003eThe Duravent Model BV storm collar fits around round Type B gas vent pipe just above the roof flashing and sheds water away from the opening between the pipe and the flashing.\u003c\/b\u003e Duravent calls for sealing it to the pipe with high-temperature silicone. Part numbers 6BVSC, 8BVSC, 10BVSC, 12BVSC and 14BVSC.\u003c\/p\u003e\n\u003ch2\u003eAt a glance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6\" to 14\"\u003c\/strong\u003e: Diameters listed here\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather seal\u003c\/strong\u003e: Above the flashing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicone seal\u003c\/strong\u003e: High-temperature silicone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel BV\u003c\/strong\u003e: Type B gas vent\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDetails\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart numbers\u003c\/th\u003e\n\u003ctd\u003e6BVSC, 8BVSC, 10BVSC, 12BVSC, 14BVSC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePosition\u003c\/th\u003e\n\u003ctd\u003eOn the pipe, over the opening between the pipe and the flashing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeal\u003c\/th\u003e\n\u003ctd\u003eHigh-temperature silicone, per Duravent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInside diameter (large sizes)\u003c\/th\u003e\n\u003ctd\u003e10\": 11\", 12\": 13\", 14\": 15\", to fit the pipe outer wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutside diameter (large sizes)\u003c\/th\u003e\n\u003ctd\u003e10\": 14-1\/2\", 12\": 16-1\/2\", 14\": 18-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUsed with\u003c\/th\u003e\n\u003ctd\u003eDuravent Model BV adjustable roof flashing or tall cone flat flashing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eDuravent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eType B vent is for listed Category I gas appliances only.\u003c\/strong\u003e Duravent lists Model BV for natural gas or LP Category I appliances with draft hoods, and appliances listed for Type B gas vent. Do not use it on wood, pellet, coal or oil burning appliances, on Category II, III or IV gas appliances, or for high-temperature exhaust. A licensed gas professional should install the vent and make the gas connection to the instructions, NFPA 54 and local codes.\u003c\/p\u003e\n\u003ch2\u003eQuestions people ask us\u003c\/h2\u003e\u003ch3\u003eDo I need a storm collar?\u003c\/h3\u003e\u003cp\u003eYes. Duravent's instructions place a storm collar on the vent pipe \u003cb\u003eover the opening between the pipe and the flashing\u003c\/b\u003e on every roof penetration.\u003c\/p\u003e\u003ch3\u003eHow is it sealed?\u003c\/h3\u003e\u003cp\u003eSlide it down to the flashing and seal it to the pipe with \u003cb\u003ehigh-temperature silicone\u003c\/b\u003e, as Duravent's catalog describes.\u003c\/p\u003e\u003ch3\u003eWhich size do I order?\u003c\/h3\u003e\u003cp\u003eOrder the same nominal size as the vent. The 10\", 12\" and 14\" collars have an inside diameter of 11\", 13\" and 15\", which matches the outer wall of that Model BV pipe.\u003c\/p\u003e\u003ch3\u003eWho should install it?\u003c\/h3\u003e\u003cp\u003eDuravent warrants the vent fully only when a professional installer puts it in. A licensed gas professional should install the system to Duravent's instructions, NFPA 54 (the National Fuel Gas Code) and local codes. The appliance manufacturer's manual decides which venting is approved and the vent size and layout, so \u003ca href=\"\/pages\/contact-us\"\u003esend us the appliance model\u003c\/a\u003e and we will check.\u003c\/p\u003e","brand":"Duravent","offers":[{"title":"6\"","offer_id":67631411495186,"sku":"B6BVSC","price":22.42,"currency_code":"USD","in_stock":true},{"title":"8\"","offer_id":67631411527954,"sku":"B8BVSC","price":27.42,"currency_code":"USD","in_stock":true},{"title":"10\"","offer_id":67631411560722,"sku":"B10BVSC","price":40.48,"currency_code":"USD","in_stock":true},{"title":"12\"","offer_id":67631411593490,"sku":"B12BVSC","price":46.29,"currency_code":"USD","in_stock":true},{"title":"14\"","offer_id":67631411626258,"sku":"B14BVSC","price":79.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/duravent-b-vent-storm-collar.webp?v=1792598137","url":"https:\/\/www.aquaterrabackyard.com\/products\/duravent-b-vent-storm-collar","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}