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A weak or failing run capacitor is a common reason a rooftop A/C compressor hums, struggles to start, or trips a breaker. This Coleman-Mach replacement capacitor is rated at 40 microfarads and 370 volts, matching original specs for a straightforward swap during A/C troubleshooting or maintenance.
Keep a spare on hand if your rooftop unit is starting to show signs of a tired capacitor before it leaves you without cool air.
