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    Repair · Westbury, NY · June 2026

    AC Contactor and Capacitor Replacement in Westbury

    Central AC stopped and was banging. We replaced a faulty contactor and a run capacitor with corroded terminals.

    BeforeAfter
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    Before
    Before: wet leaves and debris packed into the condenser's base pan around the compressor.
    After
    After: the base pan cleared of leaves and rinsed clean around the compressor.

    Photos are lightly enhanced for clarity. The work shown is as installed or serviced.

    The problem

    A homeowner in Westbury called because their central air conditioner had stopped working and was making a banging noise. They reported no error codes. Our diagnostic of the outdoor unit, a Rheem condenser that our equipment record shows was installed in 2011, found a faulty compressor contactor and a faulty run capacitor. The old capacitor's terminals were heavily corroded and discolored. The condenser's base pan was also packed with wet leaves and debris around the compressor.

    Our solution

    We replaced the compressor contactor with a new Packard definite-purpose contactor and replaced the run capacitor with a new Titan Pro run capacitor. Both replacements included electrical testing. With the fan top lifted off for access, we cleared the leaves and debris out of the base pan, worked foam cleaner through it, and rinsed it clean. The visit also included AC tune-up service.

    The result

    New parts replaced the faulty contactor and run capacitor, and the base pan is clean instead of sitting in wet leaves. The contactor is the switch that powers the outdoor unit each time the thermostat calls for cooling, so a failing contactor, or a capacitor with corroded terminals, is worth replacing before it causes more trouble.

    Serviced

    • Rheem 14AJN30A01 outdoor condenser (equipment record, installed 2011) - repaired and cleaned
    • Titan Pro run capacitor - installed
    • Packard definite-purpose contactor - installed
    • Run capacitor with corroded terminals - removed (old part)
    • Siemens contactor - removed (old part)

    Highlights

    • Diagnosed a central AC that had stopped working and was making a banging noise, on a Rheem condenser installed in 2011 per our equipment record
    • Replaced a faulty compressor contactor with a new Packard definite-purpose contactor
    • Replaced a run capacitor with corroded, discolored terminals with a new Titan Pro run capacitor
    • Electrical testing included with both part replacements
    • Cleared a base pan packed with wet leaves, then foam-cleaned and rinsed it
    • AC tune-up service included

    Scope of work

    1. 01HVAC diagnostic of the outdoor condenser
    2. 02Compressor contactor replacement with a new definite-purpose contactor, including electrical testing
    3. 03Run capacitor replacement, including electrical testing
    4. 04Fan top lifted for access; leaves and debris cleared out of the base pan
    5. 05Base pan foam-cleaned and rinsed
    6. 06AC tune-up service

    More photos from the job

    • The removed run capacitor, its terminals corroded and discolored, next to the old Siemens contactor.
    • Fan motor and blade lifted off the top of the Rheem condenser to reach the inside of the unit.
    • Foam cleaner working through the base pan around the compressor.
    • New Titan Pro capacitor and Packard contactor, still boxed, beside the old contactor and capacitor they replaced.

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