{"product_id":"oem-lennox-single-run-capacitor-72p91","title":"OEM Lennox Single Run Capacitor — 72P91","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e72P91\u003c\/strong\u003e single run capacitor is a direct factory replacement that stores and delivers the electrical charge needed to start and continuously run motors in compatible Lennox condensing units and air handlers. By supplying a steady phase-shifted current to the fan motor or compressor, this capacitor keeps the motor running smoothly and efficiently throughout each operating cycle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e A weak or failed run capacitor often causes the fan or compressor to hum without starting, hard starting, frequent overheating and tripped breakers, reduced cooling performance, or a swollen or bulging capacitor top. Motors that struggle to spin up or shut down unexpectedly are classic signs of a capacitor nearing the end of its life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Capacitors must match the exact microfarad (µF) and voltage ratings the Lennox system was engineered for. The OEM \u003cstrong\u003e72P91\u003c\/strong\u003e guarantees the correct capacitance and voltage, protecting the motor from premature wear and ensuring rated efficiency. Using a mismatched aftermarket capacitor can shorten motor life and void warranty coverage.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081096544627,"sku":"LNX-72P91","price":18.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-capacitor-start-LNX-72P91.jpg?v=1783763589","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-single-run-capacitor-72p91","provider":"National HVAC Parts","version":"1.0","type":"link"}