{"product_id":"oem-lennox-r44478-003-valve-expansion-78l20","title":"OEM Lennox R44478-003 Valve-Expansion — 78L20","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 78L20 (R44478-003)\u003c\/strong\u003e is an OEM expansion valve designed to precisely regulate refrigerant flow into the evaporator coil, maintaining proper system pressure and efficiency in Lennox HVAC systems. Common symptoms of a failing expansion valve include inconsistent cooling, ice buildup on the evaporator coil, and reduced system performance. This genuine Lennox OEM part ensures a direct-fit replacement for compatible Lennox models, restoring peak operation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081025503603,"sku":"LNX-78L20","price":59.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-r44478-003-valve-expansion-78l20","provider":"National HVAC Parts","version":"1.0","type":"link"}