{"product_id":"oem-lennox-100679-51-expansion-valve-11x74","title":"OEM Lennox 100679-51 Expansion Valve — 11X74","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 11X74\u003c\/strong\u003e (OEM part number 100679-51) is a genuine OEM expansion valve built to Lennox factory specifications for precise refrigerant flow control in compatible Lennox HVAC systems. This component plays a critical role in regulating refrigerant entering the evaporator, directly impacting cooling efficiency and system longevity. Failure symptoms such as loss of cooling capacity, evaporator icing, or abnormal superheat readings indicate the need for this direct OEM replacement to restore full system function.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081021964659,"sku":"LNX-11X74","price":59.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-100679-51-expansion-valve-11x74","provider":"National HVAC Parts","version":"1.0","type":"link"}