{"title":"FMI","description":"\u003cp\u003eShop replacement parts for FMI gas fireplaces at Total Hearth. Compare part numbers, specifications, and model compatibility to find the right replacement for maintenance and repairs.\u003c\/p\u003e","products":[{"product_id":"gas-stove-fireplace-pse-thermopile-2103-512","title":"PSE Thermopile – Quadra-Fire | 2103-512 | Gas Stove \u0026 Fireplace Replacement Sensor","description":"\u003ch3\u003e\u003cstrong\u003eOEM - PSE Thermopile (Part #2103-512) – Quadra-Fire OEM Replacement\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eRestore reliable ignition and steady pilot operation in your Quadra-Fire gas appliance with the \u003cstrong\u003ePSE Thermopile (Part #2103-512)\u003c\/strong\u003e. This OEM replacement sensor is engineered to convert heat from the pilot flame into electrical voltage, powering the gas valve and ensuring consistent performance in millivolt ignition systems.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOEM part number: 2103-512\u003c\/li\u003e\n\u003cli\u003eCompatible with a wide range of Quadra-Fire gas fireplaces and stoves\u003c\/li\u003e\n\u003cli\u003eConverts thermal energy into electrical voltage\u003c\/li\u003e\n\u003cli\u003eEnsures reliable pilot flame sensing and gas valve activation\u003c\/li\u003e\n\u003cli\u003eOEM-certified for performance and safety\u003c\/li\u003e\n\u003cli\u003eDurable construction for long-lasting use\u003c\/li\u003e\n\u003cli\u003eSecurely packaged and ships from Quincy, IL, USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2103-512\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Thermopile sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Converts heat to millivolt electricity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Case:\u003c\/strong\u003e Powers gas valve in millivolt ignition systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Brands:\u003c\/strong\u003e Quadra-Fire (and other HHT brands where applicable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Gas fireplaces and stoves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tip:\u003c\/h3\u003e\n\u003cp\u003eAlways shut off gas and electrical power before replacing ignition components. Be sure the thermopile probe is correctly positioned in the pilot flame for optimal voltage generation. Refer to your owner’s manual for specific installation guidelines.\u003c\/p\u003e\n\u003ch3\u003eFit Confirmation:\u003c\/h3\u003e\n\u003cp\u003eCheck your appliance manual to confirm part number \u003cstrong\u003e2103-512\u003c\/strong\u003e is the correct replacement for your specific Quadra-Fire model. Using the wrong thermopile can lead to ignition failure or erratic performance.\u003c\/p\u003e","brand":"Thermopile","offers":[{"title":"Default Title","offer_id":41992463188068,"sku":"4-HHT-38","price":59.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/4463\/3444\/files\/hht68.jpg?v=1754682400"},{"product_id":"majestic-14d0473-pilot-assembly-20406-nbk-20406-pilot-milivolt-ng","title":"Pilot Assembly SRV14D0473 (14D0473 \/ 20406 \/ NBK-20406) – Millivolt NG Pilot","description":"\u003ch3\u003e\u003cstrong\u003eMajestic Pilot Assembly (14D0473 \/ 20406 \/ NBK-20406) – Millivolt NG Pilot for Majestic, Monessen, Empire, Napoleon \u0026amp; More\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eRestore safe and reliable ignition to your gas fireplace with the \u003cstrong\u003eMajestic 14D0473 Pilot Assembly (NBK-20406)\u003c\/strong\u003e. This millivolt natural gas (NG) pilot assembly is a direct replacement for numerous models across major brands including Majestic, Empire Comfort Systems, Napoleon, Lennox, and others. Designed for compatibility with standing pilot systems, it includes the pilot hood, thermocouple, and necessary fittings for a secure and dependable connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003eMillivolt-Compatible\u003c\/strong\u003e – Designed for use in natural gas systems with millivolt control\u003cbr\u003e• \u003cstrong\u003eOEM Replacement\u003c\/strong\u003e – Equivalent to factory-installed parts across multiple top brands\u003cbr\u003e• \u003cstrong\u003eReliable Ignition\u003c\/strong\u003e – Ensures safe lighting and continuous operation of gas fireplaces\u003cbr\u003e• \u003cstrong\u003eBroad Compatibility\u003c\/strong\u003e – Replaces dozens of part numbers across popular fireplace manufacturers\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003ePart Numbers:\u003c\/strong\u003e NBK-20406; Majestic: 14D0473, SRV14D0473; Empire: R3624, NG8214; Napoleon: W662-0001, W662-0001-SER, WS-662-0001; Lennox: 901914, H4113; IHP\/Superior\/FMI: H4113, 110344\u003cbr\u003e• \u003cstrong\u003eFuel Type:\u003c\/strong\u003e Natural Gas (NG)\u003cbr\u003e• \u003cstrong\u003eIgnition Type:\u003c\/strong\u003e Millivolt\u003cbr\u003e• \u003cstrong\u003eIncludes:\u003c\/strong\u003e Pilot hood, thermocouple, tubing assembly\u003cbr\u003e• \u003cstrong\u003eOEM Status:\u003c\/strong\u003e Compatible with original manufacturer specifications\u003cbr\u003e• \u003cstrong\u003eSold:\u003c\/strong\u003e Individually\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Brands \u0026amp; Models:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003eMajestic \/ Insta-Flame \/ Majco:\u003c\/strong\u003e SRV14D0473, 14D0473\u003cbr\u003e• \u003cstrong\u003eMonessen:\u003c\/strong\u003e SRV14D0473\u003cbr\u003e• \u003cstrong\u003eEmpire Comfort Systems \/ White Mountain Hearth \/ American Hearth:\u003c\/strong\u003e R3624, NG8214\u003cbr\u003e• \u003cstrong\u003eAstria \/ IHP \/ FMI \/ DESA \/ Superior:\u003c\/strong\u003e H4113, 110344, 901914\u003cbr\u003e• \u003cstrong\u003eNapoleon \/ Continental:\u003c\/strong\u003e W662-0001, W662-0001-SER, WS-662-0001\u003cbr\u003e• \u003cstrong\u003eLennox:\u003c\/strong\u003e 901914, H4113\u003cbr\u003e• \u003cstrong\u003eLexington Forge:\u003c\/strong\u003e SRV14D0473, 14D0473\u003cbr\u003e• \u003cstrong\u003eKingsman \/ Marquis:\u003c\/strong\u003e 33VF-P8214\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Always verify fitment with your fireplace model and owner’s manual before purchasing.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose the Majestic 14D0473 \/ NBK-20406 Pilot Assembly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your fireplace operating safely and reliably with this OEM-spec replacement pilot assembly. Trusted across multiple major brands, it ensures clean, consistent starts and dependable long-term performance. \u003cstrong\u003eOrder today and restore the safety and efficiency of your gas fireplace system!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Gas Pilot Assembly","offers":[{"title":"Default Title","offer_id":51730591121776,"sku":"6-NBK-302","price":88.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/4463\/3444\/files\/20406-VIEW2_5486f543-f7cf-4635-8a15-21c4a5b81a40.webp?v=1759010302"},{"product_id":"lennox-h2291-pilot-assembly","title":"Lennox H2291 Pilot Assembly","description":"\u003ch3 class=\"a-size-large a-spacing-none\"\u003e\u003cspan class=\"a-size-large product-title-word-break\" id=\"productTitle\"\u003eNatural Gas Pilot Assembly Direct Vent Fireplace Kit 10002265 Compatible with Lennox Elite IHP Serefina Superior Astria Replacement Part with Flame Sensor\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e \u003ci\u003eH2291\u003c\/i\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003ch3 id=\"isPasted\"\u003e\n\u003cspan style=\"color: #9e0000; font-family: Verdana, Geneva, sans-serif;\"\u003e\u003cspan\u003eThe Lennox H2291 is an OEM CSA Certified replacement Tri Directional Natural Gas pilot assembly manufactured by SIT Controls.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan style=\"font-family: Verdana, Geneva, sans-serif;\"\u003e\u003cspan\u003eThis pilot assembly was used for various Lennox, IHP, FMI, Superior, Astria, Empire Comfort Systems, Travis Industries, Cozy, Majestic, Martin and other various Direct Vent Fireplaces.\u003c\/span\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #3a3a3a; font-family: Verdana, Geneva, sans-serif;\"\u003e\u003cspan\u003eSide Mount Pilot Bracket\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #3a3a3a; font-family: Verdana, Geneva, sans-serif;\"\u003e\u003cspan\u003e24 Inch Thermo-Generator-Thermopile 750Mv Max\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #3a3a3a; font-family: Verdana, Geneva, sans-serif;\"\u003e\u003cspan\u003e24 Inch Pilot Tube\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #3a3a3a; font-family: Verdana, Geneva, sans-serif;\"\u003e\u003cspan\u003e24 Inch Electrode and Ceramic Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #3a3a3a; font-family: Verdana, Geneva, sans-serif;\"\u003e\u003cspan\u003e24 Inch Thermocouple\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #3a3a3a; font-family: Verdana, Geneva, sans-serif;\"\u003e\u003cspan\u003e#51 NG Pilot Orifice\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eThe proper Pilot Assembly must be used for the correct model number Direct Vent fireplace\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eFor Desa, For Empire, For LENNOX, For Majestic, For Monessen, For Napoleon, For Regency, For Superior, For Vermont Castings, For Kozy Heat, For Innovative Hearth Products, For SIT Controls, For Astria, For FMI\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eThis Pilot Assembly should only be ordered if this is the exact replacement part for your heater as listed in your owner's manual and viewed in our listings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003ePlease check the model and part number in your owner’s manual before ordering this ODS Pilot Assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003eThe Pilot Assembly with components is specifically designed for appliances burning Natural Gas \"NG\" including vented fireplaces, gas logs, stoves, heaters and other similar direct vent appliances.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan style=\"font-family: Times New Roman; font-size: medium;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"center\" class=\"MsoNormal\"\u003e\u003cstrong\u003e\u003cspan\u003e*Returns will be not be accepted on this part after the package has been installed.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Pilot Assembly","offers":[{"title":"Default Title","offer_id":52795519009136,"sku":"7-AMZ-134","price":88.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/4463\/3444\/files\/H2291.jpg?v=1766181533"}],"url":"https:\/\/total-hearth.com\/collections\/fmi.oembed","provider":"Total Hearth","version":"1.0","type":"link"}