{"product_id":"oem-lennox-scroll-compressor-19-500-btuh-208-230v-1-phase-81w04","title":"OEM Lennox Scroll Compressor 19,500 BTUH 208\/230V 1-Phase — 81W04","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e81W04\u003c\/strong\u003e is an Interlink APA020KAA scroll compressor rated at 19,500 BTUH (approximately 1.5 tons) for 208\/230V, single-phase, R-410A systems. This compact compressor is the driving force of your Lennox outdoor unit, compressing and circulating refrigerant to remove heat and deliver reliable comfort in smaller residential and light-commercial applications. Its efficient scroll design runs quietly with fewer wear points than legacy compressors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e When the \u003cstrong\u003e81W04\u003c\/strong\u003e is failing, you may see the unit hum but not start, breakers trip, weak or nonexistent cooling, a compressor that overheats and cycles on its overload, or a bad start\/run capacitor masking a deeper electrical fault. Grounded or open windings and mechanical lockup all call for replacement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Single-phase compressors depend on correctly matched start components and capacity. The factory-specified \u003cstrong\u003e81W04\u003c\/strong\u003e ensures the exact displacement, oil charge, and electrical characteristics your Lennox system requires, protecting efficiency and warranty coverage. Non-OEM parts risk poor starting, capacity mismatch, and early failure. Verify the model against the nameplate, confirm capacitor and contactor condition, evacuate and replace the filter drier, then recharge to Lennox specs.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081120858483,"sku":"LNX-81W04","price":389.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-scroll-compressor-19-500-btuh-208-230v-1-phase-81w04","provider":"National HVAC Parts","version":"1.0","type":"link"}