{"product_id":"oem-lennox-scroll-compressor-40-200-btu-r-410a-208-230v-12j57","title":"OEM Lennox Scroll Compressor 40,200 BTU R-410A 208\/230V — 12J57","description":"\u003cp\u003eThe Lennox \u003cstrong\u003e12J57\u003c\/strong\u003e is a genuine OEM ZP40K6E-PFV-830 scroll compressor rated at 40,200 BTU\/h for 208\/230V single-phase R-410A systems. It pressurizes and circulates R-410A refrigerant through your Lennox condensing unit, providing the mechanical energy that powers the refrigeration cycle. This is a direct factory replacement built to Lennox's exact capacity and electrical specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Warm air from the vents while the outdoor fan runs, a compressor that buzzes or hums but won't start, repeated breaker trips, excessive vibration or metallic knocking, oil around the compressor base, or short-cycling caused by internal overload protection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e R-410A operates at significantly higher pressures than older refrigerants, so the compressor must be precisely rated for the system. The correct Lennox \u003cstrong\u003e12J57\u003c\/strong\u003e guarantees proper displacement, compatible POE oil charge, and matched electrical draw — protecting efficiency and keeping factory warranty coverage intact. Off-brand replacements can undersize capacity, mismatch oil, and lead to early failure.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081086812531,"sku":"LNX-12J57","price":389.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-scroll-compressor-40-200-btu-r-410a-208-230v-12j57","provider":"National HVAC Parts","version":"1.0","type":"link"}