{"product_id":"oem-lennox-oil-burner-arm-13u28-100195-07","title":"OEM Lennox Oil Burner Arm — 13U28 (100195-07)","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e13U28\u003c\/strong\u003e oil burner arm (factory part number 100195-07, series 1811) is a precision-built component of the oil burner assembly used in Lennox oil-fired heating systems. It holds the electrode and nozzle assembly in the correct position so fuel is atomized and ignited cleanly, delivering a steady, efficient flame throughout the burn cycle. Built to Lennox factory dimensions, it installs directly into compatible burner housings without modification.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e If the burner arm is worn, bent, or corroded, expect symptoms such as delayed or hard startups, a noisy or pulsing flame, soot accumulation, oil odors, lower heating efficiency, and recurring lockouts at the primary safety control. Misalignment of the electrodes or nozzle from a damaged arm is a common root cause of poor combustion.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Generic arms often fail to match Lennox electrode gap and nozzle-depth tolerances, which can cause sooting, unstable flames, and repeated safety shutdowns. The factory \u003cstrong\u003e13U28\u003c\/strong\u003e arm restores precise burner geometry and dependable ignition on your Lennox equipment. Verify this part number against your existing arm before installing to ensure correct series compatibility.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081130852723,"sku":"LNX-13U28","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-burner-ribbon-LNX-13U28.jpg?v=1783762796","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-oil-burner-arm-13u28-100195-07","provider":"National HVAC Parts","version":"1.0","type":"link"}