{"product_id":"oem-lennox-expansion-valve-63k99","title":"OEM Lennox Expansion Valve — 63K99","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 63K99\u003c\/strong\u003e is a genuine OEM expansion valve designed as a direct replacement for compatible Lennox HVAC systems, ensuring factory-correct refrigerant metering performance. This valve controls the flow of refrigerant into the evaporator coil, maintaining the proper superheat level required for efficient and safe system operation. Signs of a failing expansion valve include poor cooling capacity, frost accumulation on the evaporator, or fluctuating suction line pressures, and replacing it with this authentic Lennox OEM part restores full system performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081023635827,"sku":"LNX-63K99","price":59.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-expansion-valve-63k99","provider":"National HVAC Parts","version":"1.0","type":"link"}