Compatible Parts for Carrier PH3GNAA42000AA

The Carrier PH3GNAA42000AA Packaged Unit uses these OEM replacement parts: Contactor, Transformer, Control Board. The most commonly replaced part is the Contactor. All 3 parts are in stock with same-day shipping from National HVAC Parts. Total DIY cost for all parts: $393.89 vs $1150+ through a technician.

The Carrier PH3GNAA42000AA is a packaged unit containing both heating and cooling in a single outdoor cabinet. It is manufactured by Carrier, a brand of Carrier Global Corporation.

Match your symptom to the most likely failed part:
Contactor: Clicks but compressor won't engage
Transformer: Thermostat blank, no power
Control Board: System dead, no LED on board
Parts are listed above in order of most common failure. Visit our diagnostic hub for step-by-step troubleshooting guides.

Carrier, Bryant, and Payne are all made by Carrier Global Corporation. Many PH3GNAA42000AA parts are cross-compatible with Bryant and Payne systems under different model numbers. Email info@nationalhvacparts.com with your model number to verify.