{"product_id":"oem-lennox-compressor-81w09","title":"OEM Lennox Compressor — 81W09","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e81W09\u003c\/strong\u003e compressor is the heart of your Lennox condensing unit or heat pump, circulating and pressurizing refrigerant to move heat between the indoor and outdoor coils. By compressing low-pressure refrigerant vapor into a high-pressure, high-temperature gas, the compressor drives the entire cooling (and, in heat pumps, heating) cycle. A healthy compressor is essential for proper capacity, efficiency, and reliable operation of your Lennox system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include the outdoor unit running but not cooling, a compressor that hums or trips the breaker on startup, loud grinding or knocking noises, frequent overload shutdowns, or a unit that fails to start at all. Electrical failures, locked rotors, and loss of refrigerant charge are typical causes of compressor breakdown.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The Lennox \u003cstrong\u003e81W09\u003c\/strong\u003e is matched to your system's tonnage, refrigerant type, and electrical specifications, ensuring correct capacity and long-term durability. Non-OEM compressors risk improper sizing, oil incompatibility, and premature failure that can damage other components. Installing the genuine OEM compressor protects your investment and restores full factory-rated performance. Professional installation and proper evacuation are required.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081132425587,"sku":"LNX-81W09","price":389.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-compressor-81w09","provider":"National HVAC Parts","version":"1.0","type":"link"}