{"product_id":"oem-lennox-burner-assembly-045-orifice-69w87","title":"OEM Lennox Burner Assembly (.045 Orifice) — 69W87","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e69W87\u003c\/strong\u003e (factory number 602866-04, supersedes 609702-01) is a complete burner assembly with a .045 orifice, used in Lennox gas furnaces. It delivers a precisely metered air-fuel mixture to the heat exchanger, producing the stable, efficient flame required for correct furnace operation. Built to Lennox factory specifications, the \u003cstrong\u003e69W87\u003c\/strong\u003e maintains the exact orifice sizing and burner geometry your system was designed around.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e difficult or delayed ignition, flame rollout, yellow or sooting flames, burner noise, and repeated flame-sense lockouts. Rust, clogged orifices, and thermal warping are common reasons this assembly needs replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Orifice size and burner alignment directly control the air-fuel ratio and combustion quality in your Lennox furnace. An incorrect orifice or aftermarket burner can cause incomplete combustion, improper temperature rise, and heat exchanger damage. The OEM \u003cstrong\u003e69W87\u003c\/strong\u003e assembly ensures correct fit, proper gas metering, and safe, efficient operation for your Lennox equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081128231283,"sku":"LNX-69W87","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-burner-orifice-LNX-69W87.jpg?v=1783759529","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-burner-assembly-045-orifice-69w87","provider":"National HVAC Parts","version":"1.0","type":"link"}