{"product_id":"oem-lennox-scroll-compressor-81-500-btu-460v-78m50","title":"OEM Lennox Scroll Compressor 81,500 BTU 460V — 78M50","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e78M50\u003c\/strong\u003e is a Copeland ZR81KC-TFD-830 scroll compressor rated at 81,500 BTUH, 460V, R-22 refrigerant, 3-phase. Scroll compressors use two interleaved spiral scrolls to compress refrigerant smoothly and efficiently, delivering quieter operation and greater reliability than reciprocating designs. This compressor is built to Lennox factory specifications so your commercial or residential system maintains its rated cooling capacity and efficiency.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include no cooling from the outdoor unit, the compressor tripping the breaker on startup, loud grinding or metallic noises, short-cycling, elevated amp draw, and a unit that hums but won't start. Scroll failures frequently trace back to electrical faults, contactor issues, or lost lubrication.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The genuine Lennox \u003cstrong\u003e78M50\u003c\/strong\u003e ensures the correct tonnage, voltage, and refrigerant compatibility for your equipment. Non-OEM alternatives risk capacity mismatch, oil incompatibility, and voided warranty coverage. Have a licensed HVAC professional handle installation and system evacuation. In stock and ships same day when ordered before the daily cutoff.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081123316083,"sku":"LNX-78M50","price":389.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-scroll-compressor-81-500-btu-460v-78m50","provider":"National HVAC Parts","version":"1.0","type":"link"}