{"product_id":"oem-lennox-single-run-capacitor-kit-53h18","title":"OEM Lennox Single Run Capacitor Kit — 53H18","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e53H18\u003c\/strong\u003e single run capacitor kit supplies the steady electrical charge that keeps a motor — typically the condenser fan or blower — turning smoothly and efficiently. Unlike a dual capacitor, this single-rated unit serves one motor load, delivering consistent phase-shifted current so the motor maintains proper speed and torque throughout operation. It is manufactured to the exact microfarad and voltage specifications Lennox requires for compatible equipment.\u003c\/p\u003e\u003cp\u003eWhen this capacitor degrades, the motor it feeds struggles. Common warning signs include a fan or blower that won't start or runs slowly, a humming motor that fails to spin, intermittent operation, tripped breakers, and rising energy costs. A physically swollen, leaking, or corroded capacitor confirms the failure and calls for immediate replacement.\u003c\/p\u003e\u003cp\u003eFor Lennox equipment, OEM matters. The \u003cstrong\u003e53H18\u003c\/strong\u003e is matched to factory tolerances, ensuring correct capacitance, dependable motor performance, and the efficiency your system was designed to deliver. Off-brand capacitors with the wrong ratings force motors to run hot and draw excess current, shortening their life. Install a genuine Lennox part to restore reliable, on-spec operation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081103229299,"sku":"LNX-53H18","price":18.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-capacitor-round-single-LNX-53H18.jpg?v=1783763545","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-single-run-capacitor-kit-53h18","provider":"National HVAC Parts","version":"1.0","type":"link"}