{"id":117107,"date":"2023-02-02T09:59:16","date_gmt":"2023-02-02T00:59:16","guid":{"rendered":"https:\/\/kikakumaster.com\/mil-spec\/ul441\/"},"modified":"2023-02-17T10:48:04","modified_gmt":"2023-02-17T01:48:04","slug":"ul441","status":"publish","type":"mil-spec","link":"https:\/\/kikakumaster.com\/ja\/mil-spec\/ul441\/","title":{"rendered":"UL441 &#8211; Gas Vents"},"content":{"rendered":"<p>These requirements cover Types B and BW gas vents and Types B and BW gas vent roof jacks intended for venting gas appliances equipped with draft hoods to burn only gas.<\/p><div id=\"kikak-2879230851\" class=\"kikak- kikak-entity-placement\"><p><a href=\"https:\/\/click.linksynergy.com\/fs-bin\/click?id=tuVq3VflqQM&amp;offerid=208750.10000028&amp;subid=0&amp;type=4\"><img class=\"lazyload\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-orig-src=\"https:\/\/ad.linksynergy.com\/fs-bin\/show?id=tuVq3VflqQM&amp;bids=208750.10000028&amp;subid=0&amp;type=4&amp;gridnum=16\" alt=\"American National Standards Institute Inc.\" border=\"0\" \/><\/a><\/p>\n<\/div>\n<p><a href=\"https:\/\/quicksearch.dla.mil\/qsDocDetails.aspx?ident_number=105178\">Go to UL441 at DAPS Quick Search ASSIST<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>These requirements cover Types B and BW gas vents and Types B and BW gas vent roof jacks intended for venting gas appliances equipped with draft hoods to burn only gas.<\/p>\n","protected":false},"featured_media":0,"template":"","categories":[2993],"tags":[],"sdo":[3133],"topic":[],"fsc":[2073],"document_type":[],"class_list":["post-117107","mil-spec","type-mil-spec","status-publish","hentry","category-underwriters-laboratories-ul","sdo-ul","fsc-2073"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>UL441 - Gas Vents - \u898f\u683c\u30de\u30b9\u30bf\u30fc<\/title>\n<meta name=\"description\" content=\"Gas Vents - These requirements cover Types B and BW gas vents and Types B and BW gas vent roof jacks intended for venting gas appliances equipped with draft hoods to burn only gas.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kikakumaster.com\/ja\/mil-spec\/ul441\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UL441 - Gas Vents - \u898f\u683c\u30de\u30b9\u30bf\u30fc\" \/>\n<meta property=\"og:description\" content=\"Gas Vents - These requirements cover Types B and BW gas vents and Types B and BW gas vent roof jacks intended for venting gas appliances equipped with draft hoods to burn only gas.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kikakumaster.com\/ja\/mil-spec\/ul441\/\" \/>\n<meta property=\"og:site_name\" content=\"\u898f\u683c\u30de\u30b9\u30bf\u30fc\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-17T01:48:04+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/kikakumaster.com\/ja\/mil-spec\/ul441\/\",\"url\":\"https:\/\/kikakumaster.com\/ja\/mil-spec\/ul441\/\",\"name\":\"UL441 - Gas Vents - \u898f\u683c\u30de\u30b9\u30bf\u30fc\",\"isPartOf\":{\"@id\":\"https:\/\/kikakumaster.com\/ja\/#website\"},\"datePublished\":\"2023-02-02T00:59:16+00:00\",\"dateModified\":\"2023-02-17T01:48:04+00:00\",\"description\":\"Gas Vents - These requirements cover Types B and BW gas vents and Types B and BW gas vent roof jacks intended for venting gas appliances equipped with draft hoods to burn only gas.\",\"breadcrumb\":{\"@id\":\"https:\/\/kikakumaster.com\/ja\/mil-spec\/ul441\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/kikakumaster.com\/ja\/mil-spec\/ul441\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/kikakumaster.com\/ja\/mil-spec\/ul441\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/kikakumaster.com\/ja\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"UL441 &#8211; 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