OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The genuine OEM Lennox 53H30 is a 25+3.75 MFD, 370V oval dual run capacitor that provides the running charge for both the compressor and condenser fan motor in your Lennox outdoor unit. Its dual rating combines two microfarad values in a single sealed housing, delivering the steady energy both motors need to start and run at rated efficiency through every cooling cycle.
Common failure symptoms: A bad capacitor is among the most frequent causes of air conditioner failure. Watch for a compressor or fan motor that hums but won't start, a condenser fan turning slowly or intermittently, warm air from the vents, hard starting, a tripped breaker, or a capacitor top that appears domed, leaking, or swollen. Because capacitors degrade from heat and constant cycling, replacement usually restores full cooling right away.
Why OEM matters: The Lennox 53H30 is manufactured to the precise capacitance, voltage, and tolerance your equipment was designed around. Generic capacitors with incorrect MFD or voltage ratings can shorten motor life, waste energy, and void warranty coverage. Installing the factory-specified part ensures an exact fit and dependable, efficient performance for your Lennox system.