{"product_id":"oem-lennox-r40086b001-gray-orifice-81-57w88","title":"OEM Lennox R40086B001 Gray Orifice .81 — 57W88","description":"\u003cp\u003e\u003cstrong\u003eLennox 57W88\u003c\/strong\u003e, cross-referenced as R40086B001, is a genuine OEM gray-coded .81 burner orifice engineered for accurate gas metering in compatible Lennox heating systems. A failing or damaged orifice can cause symptoms such as improper flame appearance, reduced heating efficiency, sooting, or inconsistent burner operation. This Lennox OEM replacement orifice delivers a factory-precise fit to restore correct fuel delivery and safe, efficient combustion performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081045426547,"sku":"LNX-57W88","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-r40086b001-gray-orifice-81-57w88","provider":"National HVAC Parts","version":"1.0","type":"link"}