{"id":14030,"date":"2020-02-23T08:59:15","date_gmt":"2020-02-23T14:59:15","guid":{"rendered":"https:\/\/appliancemasters.com\/ac\/product\/51m14\/"},"modified":"2025-09-19T21:00:42","modified_gmt":"2025-09-20T02:00:42","slug":"51m14","status":"publish","type":"product","link":"https:\/\/appliancemasters.com\/ac\/product\/51m14\/","title":{"rendered":"Lennox 51M14 Flame Sensor"},"content":{"rendered":"<p>The <strong>Lennox 51M14 Flame Sensor<\/strong> is a crucial component for HVAC systems. Here are its key features:<\/p>\n<ul>\n<li><strong>Brand<\/strong>: Lennox<\/li>\n<li><strong>Model<\/strong>: 51M14<\/li>\n<li><strong>Type<\/strong>: Flame Sensor (Single Prong)<\/li>\n<li><strong>Function<\/strong>: Detects the presence of a flame to ensure safe and efficient operation of the furnace or boiler<\/li>\n<li><strong>Compatibility<\/strong>: Fits various Lennox furnace and boiler models, including 80MGF2-45A-06, 80MGF2-45A-07, and 80MGF2-45A-08<\/li>\n<li><strong>Material<\/strong>: High-quality materials for durability and reliability<\/li>\n<li><strong>Dimensions<\/strong>: Prong length 2.35 inches, height 2.81 inches (Note: May require trimming for certain models)<\/li>\n<li><strong>Installation<\/strong>: Should be installed by a qualified technician to ensure proper functioning and safety<\/li>\n<\/ul>\n<p>This flame sensor is essential for monitoring and maintaining the safe operation of your HVAC equipment.<\/p>\n<p>Replaces 43K88, 43K8801 for select models of 80MGF, 80UHG, G24M, G27M &amp; G29M furnaces<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>Lennox 51M14 Flame Sensor<\/strong>, 51M1401, Flame Sensor.<\/strong><br \/>\nReplaces 43K88, 43K8801 for select models of 80MGF, 80UHG, G24M, G27M &amp; G29M furnaces<\/p>\n","protected":false},"featured_media":14028,"template":"","meta":[],"product_brand":[],"product_cat":[85],"product_tag":[276],"class_list":["post-14030","product","type-product","status-publish","has-post-thumbnail","product_cat-air-conditioning-parts-jackson","product_tag-flame-sensor","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>51M14 Flame Sensor Lennox<\/title>\n<meta name=\"description\" content=\"Lennox 51M14 Flame Sensor, 51M1401, Flame Sensor. Replaces 43K88, 43K8801 for select models of 80MGF, 80UHG, G24M, G27M &amp; G29M furnaces\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/appliancemasters.com\/ac\/product\/51m14\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lennox 51M14 Flame Sensor\" \/>\n<meta property=\"og:description\" content=\"Lennox 51M14 Flame Sensor, 51M1401, Flame Sensor. Replaces 43K88, 43K8801 for select models of 80MGF, 80UHG, G24M, G27M &amp; G29M furnaces\" \/>\n<meta property=\"og:url\" content=\"https:\/\/appliancemasters.com\/ac\/product\/51m14\/\" \/>\n<meta property=\"og:site_name\" content=\"Air Conditioning Parts at Appliance Masters\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/apdamerica\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-20T02:00:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/appliancemasters.com\/ac\/wp-content\/uploads\/sites\/7\/2020\/02\/51m14-.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"360\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@AppliancePart10\" \/>\n<meta name=\"twitter:label1\" content=\"Price\" \/>\n\t<meta name=\"twitter:data1\" content=\"&#036;25.91\" \/>\n\t<meta name=\"twitter:label2\" content=\"Availability\" \/>\n\t<meta name=\"twitter:data2\" content=\"In stock\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":[\"WebPage\",\"ItemPage\"],\"@id\":\"https:\\\/\\\/appliancemasters.com\\\/ac\\\/product\\\/51m14\\\/\",\"url\":\"https:\\\/\\\/appliancemasters.com\\\/ac\\\/product\\\/51m14\\\/\",\"name\":\"51M14 Flame Sensor Lennox\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/appliancemasters.com\\\/ac\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/appliancemasters.com\\\/ac\\\/product\\\/51m14\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/appliancemasters.com\\\/ac\\\/product\\\/51m14\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/appliancemasters.com\\\/ac\\\/wp-content\\\/uploads\\\/sites\\\/7\\\/2020\\\/02\\\/51m14-.jpg\",\"datePublished\":\"2020-02-23T14:59:15+00:00\",\"dateModified\":\"2025-09-20T02:00:42+00:00\",\"description\":\"Lennox 51M14 Flame Sensor, 51M1401, Flame Sensor. 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