{"product_id":"oem-lennox-100679-42-valve-expansion-r410-76w19","title":"OEM Lennox 100679-42 Valve-Expansion R410 — 76W19","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 76W19 (100679-42)\u003c\/strong\u003e is a genuine OEM expansion valve specifically designed for use with R410A refrigerant in Lennox air conditioning and heat pump systems. This valve precisely regulates refrigerant flow into the evaporator coil, maintaining the correct pressure and temperature differential for efficient system operation. Symptoms of a failing expansion valve include reduced cooling capacity, frost buildup on the evaporator, or erratic system pressures — replacing it with this authentic Lennox part ensures a precise OEM fit and restores peak performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081022062963,"sku":"LNX-76W19","price":59.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-100679-42-valve-expansion-r410-76w19","provider":"National HVAC Parts","version":"1.0","type":"link"}