{"product_id":"oem-lennox-r44478-001-valve-expansion-78l19","title":"OEM Lennox R44478-001 Valve-Expansion — 78L19","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 78L19 (R44478-001)\u003c\/strong\u003e is a genuine OEM expansion valve designed to precisely meter refrigerant flow into the evaporator coil, ensuring optimal cooling performance and system efficiency in compatible Lennox HVAC systems. Symptoms of a failing expansion valve include inconsistent cooling, frost buildup on the evaporator coil, or the system short-cycling. Replace with this authentic Lennox OEM part to restore proper refrigerant control and protect your system from further damage.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081025831283,"sku":"LNX-78L19","price":59.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-r44478-001-valve-expansion-78l19","provider":"National HVAC Parts","version":"1.0","type":"link"}