{"product_id":"oem-lennox-103366-14-valve-exp-nxt-od-4-5t-12j42","title":"OEM Lennox 103366-14 Valve-Exp Nxt Od 4\/5T — 12J42","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 12J42\u003c\/strong\u003e (OEM reference 103366-14) is a genuine Lennox factory expansion valve engineered for Next-generation outdoor condensing units in 4-ton and 5-ton capacities. It regulates the flow of refrigerant into the evaporator coil to maintain precise superheat levels and maximize system efficiency across varying load conditions. Symptoms of a failing expansion valve include reduced cooling capacity, abnormal suction or discharge pressures, and compressor short-cycling — replacing it with this direct OEM part ensures a proper fit and full restoration of your Lennox system's performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081023013235,"sku":"LNX-12J42","price":59.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-103366-14-valve-exp-nxt-od-4-5t-12j42","provider":"National HVAC Parts","version":"1.0","type":"link"}