{"product_id":"oem-lennox-valve-exp-18m40","title":"OEM Lennox Valve-Exp — 18M40","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 18M40\u003c\/strong\u003e is a genuine OEM expansion valve used in compatible Lennox HVAC systems to precisely control the flow of refrigerant into the evaporator, ensuring efficient heat exchange and stable system pressures. When this valve fails, common symptoms include poor cooling output, evaporator coil icing, elevated head pressure, or compressor short cycling that can lead to costly system damage if left unaddressed. Installing this direct OEM Lennox replacement restores accurate refrigerant metering and helps bring your system back to factory-specified performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081022751091,"sku":"LNX-18M40","price":59.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-valve-exp-18m40","provider":"National HVAC Parts","version":"1.0","type":"link"}