{"id":167,"date":"2024-08-09T21:42:11","date_gmt":"2024-08-09T21:42:11","guid":{"rendered":"https:\/\/www.williamson-thermoflo.com\/williamson\/?post_type=products&#038;p=167"},"modified":"2025-09-19T15:24:17","modified_gmt":"2025-09-19T15:24:17","slug":"clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed","status":"publish","type":"products","link":"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/","title":{"rendered":"CLB &#8211; Centennial Low Boy Multi-Speed Direct Drive or Variable Speed"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li>AFUE\u2019s to 86%<\/li>\n\n\n\n<li>Heat exchanger &#8211; Heaviest in the industry, Front flue with top or right side venting option, Interior baffling for maximum efficiency, Dual spring-loaded clean-out ports for easy service and maintenance, Spring-loaded observation port with test port, Heavy gauge burner mounting plate with studs and nuts<\/li>\n\n\n\n<li>Blower &#8211; Variable Speed ECM, Multi-speed Direct Drive, Slide-out blower\/motor- easily removed for service<\/li>\n\n\n\n<li>Cabinet &#8211; Appliance finish powder coat paint, Heavy gauge with &#8220;Seal-Tite&#8221; construction, Foil-faced insulation for hand-cool surface, Fully-enclosed burner and controls<\/li>\n\n\n\n<li>Combustion Chamber &#8211; Preformed slide-out chamber for easy service<\/li>\n\n\n\n<li>Burner and controls &#8211; Factory-wired with simple plug-in connections, PSC motor, Solid state ignitor<\/li>\n<\/ul>\n","protected":false},"featured_media":176,"template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"1","_relevanssi_noindex_reason":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"product_type":[3],"class_list":["post-167","products","type-products","status-publish","has-post-thumbnail","hentry","product_type-furnaces"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CLB - Centennial Low Boy Multi-Speed Direct Drive or Variable Speed - Williamson<\/title>\n<meta name=\"description\" content=\"Williamson Centennial Low Boy Oil Furnace delivers up to 86% AFUE efficiency with the industry\u2019s heaviest heat exchanger.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CLB - Centennial Low Boy Multi-Speed Direct Drive or Variable Speed - Williamson\" \/>\n<meta property=\"og:description\" content=\"Williamson Centennial Low Boy Oil Furnace delivers up to 86% AFUE efficiency with the industry\u2019s heaviest heat exchanger.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/\" \/>\n<meta property=\"og:site_name\" content=\"Williamson\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-19T15:24:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/08\/671x386_W-CLB.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"671\" \/>\n\t<meta property=\"og:image:height\" content=\"386\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/\",\"url\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/\",\"name\":\"CLB - Centennial Low Boy Multi-Speed Direct Drive or Variable Speed - Williamson\",\"isPartOf\":{\"@id\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/08\/671x386_W-CLB.jpg\",\"datePublished\":\"2024-08-09T21:42:11+00:00\",\"dateModified\":\"2025-09-19T15:24:17+00:00\",\"description\":\"Williamson Centennial Low Boy Oil Furnace delivers up to 86% AFUE efficiency with the industry\u2019s heaviest heat exchanger.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/#primaryimage\",\"url\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/08\/671x386_W-CLB.jpg\",\"contentUrl\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/08\/671x386_W-CLB.jpg\",\"width\":671,\"height\":386},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products\",\"item\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"CLB &#8211; Centennial Low Boy Multi-Speed Direct Drive or Variable Speed\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/#website\",\"url\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/\",\"name\":\"Williamson\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/#organization\",\"name\":\"Williamson\",\"url\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/09\/Williamson_logo_White.png\",\"contentUrl\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/09\/Williamson_logo_White.png\",\"width\":2751,\"height\":1000,\"caption\":\"Williamson\"},\"image\":{\"@id\":\"https:\/\/www.williamson-thermoflo.com\/williamson\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"CLB - Centennial Low Boy Multi-Speed Direct Drive or Variable Speed - Williamson","description":"Williamson Centennial Low Boy Oil Furnace delivers up to 86% AFUE efficiency with the industry\u2019s heaviest heat exchanger.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/","og_locale":"en_US","og_type":"article","og_title":"CLB - Centennial Low Boy Multi-Speed Direct Drive or Variable Speed - Williamson","og_description":"Williamson Centennial Low Boy Oil Furnace delivers up to 86% AFUE efficiency with the industry\u2019s heaviest heat exchanger.","og_url":"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/","og_site_name":"Williamson","article_modified_time":"2025-09-19T15:24:17+00:00","og_image":[{"width":671,"height":386,"url":"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/08\/671x386_W-CLB.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/","url":"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/","name":"CLB - Centennial Low Boy Multi-Speed Direct Drive or Variable Speed - Williamson","isPartOf":{"@id":"https:\/\/www.williamson-thermoflo.com\/williamson\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/#primaryimage"},"image":{"@id":"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/#primaryimage"},"thumbnailUrl":"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/08\/671x386_W-CLB.jpg","datePublished":"2024-08-09T21:42:11+00:00","dateModified":"2025-09-19T15:24:17+00:00","description":"Williamson Centennial Low Boy Oil Furnace delivers up to 86% AFUE efficiency with the industry\u2019s heaviest heat exchanger.","breadcrumb":{"@id":"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/#primaryimage","url":"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/08\/671x386_W-CLB.jpg","contentUrl":"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/08\/671x386_W-CLB.jpg","width":671,"height":386},{"@type":"BreadcrumbList","@id":"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/clb-centennial-low-boy-multi-speed-direct-drive-or-variable-speed\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.williamson-thermoflo.com\/williamson\/"},{"@type":"ListItem","position":2,"name":"Products","item":"https:\/\/www.williamson-thermoflo.com\/williamson\/products\/"},{"@type":"ListItem","position":3,"name":"CLB &#8211; Centennial Low Boy Multi-Speed Direct Drive or Variable Speed"}]},{"@type":"WebSite","@id":"https:\/\/www.williamson-thermoflo.com\/williamson\/#website","url":"https:\/\/www.williamson-thermoflo.com\/williamson\/","name":"Williamson","description":"","publisher":{"@id":"https:\/\/www.williamson-thermoflo.com\/williamson\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.williamson-thermoflo.com\/williamson\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.williamson-thermoflo.com\/williamson\/#organization","name":"Williamson","url":"https:\/\/www.williamson-thermoflo.com\/williamson\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.williamson-thermoflo.com\/williamson\/#\/schema\/logo\/image\/","url":"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/09\/Williamson_logo_White.png","contentUrl":"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/09\/Williamson_logo_White.png","width":2751,"height":1000,"caption":"Williamson"},"image":{"@id":"https:\/\/www.williamson-thermoflo.com\/williamson\/#\/schema\/logo\/image\/"}}]}},"taxonomy_info":{"product_type":[{"value":3,"label":"Oil Furnaces"}]},"featured_image_src_large":["https:\/\/www.williamson-thermoflo.com\/williamson\/wp-content\/uploads\/sites\/2\/2024\/08\/671x386_W-CLB.jpg",671,386,false],"author_info":[],"comment_info":"","_links":{"self":[{"href":"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-json\/wp\/v2\/products\/167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-json\/wp\/v2\/media\/176"}],"wp:attachment":[{"href":"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-json\/wp\/v2\/media?parent=167"}],"wp:term":[{"taxonomy":"product_type","embeddable":true,"href":"https:\/\/www.williamson-thermoflo.com\/williamson\/wp-json\/wp\/v2\/product_type?post=167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}