{"product_id":"oem-lennox-research-products-4231-yellow-orifice-12-pack-y1766","title":"OEM Lennox Research Products 4231 Yellow Orifice 12 Pack — Y1766","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y1766\u003c\/strong\u003e is an authentic OEM Research Products 4231 Yellow Orifice, packaged in a 12-pack to support efficient field servicing of Lennox heating equipment. These orifices are designed to meter gas flow accurately, maintaining the correct air-to-fuel ratio for safe and efficient burner operation in compatible Lennox systems. Symptoms of a failing orifice include erratic flame behavior, sooting, incomplete combustion, or a noticeable drop in heating performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081060139379,"sku":"LNX-Y1766","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-research-products-4231-yellow-orifice-12-pack-y1766","provider":"National HVAC Parts","version":"1.0","type":"link"}