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Compatible Parts for Carrier PY3GNAA42090AA

Packaged Unit — 3 OEM replacement parts in stock

The Carrier PY3GNAA42090AA is a packaged unit containing both heating and cooling in a single outdoor cabinet. Same-day shipping on orders before 3 PM CST.

3 Parts Packaged Unit Carrier

Part Type	Part & Symptom	DIY Level	Price
Contactor	OEM Carrier Contactor Clicks but compressor won't engage	Medium 30-45 min	$68.95	Buy
Igniter	OEM Carrier Spark Electrode Ignitor 48VL400002 Won't ignite, igniter doesn't glow	Medium 30-45 min	$77.95	Buy
Transformer	OEM Carrier Transformer 40VA 208/230V–24V Thermostat blank, no power	Medium 30-45 min	$50.95	Buy

DIY Total (All Parts)

$197.85

Technician Estimate (Parts + Labor)

$850+

You Save

$652+ (77%)

Troubleshooting? Diagnostic Hub Error Code Lookup

Frequently Asked Questions

What parts does the Carrier PY3GNAA42090AA need?

The Carrier PY3GNAA42090AA Packaged Unit uses these OEM replacement parts: Contactor, Igniter, Transformer. 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: $197.85 vs $850+ through a technician.

What type of system is the Carrier

The Carrier PY3GNAA42090AA 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.

My Carrier PY3GNAA42090AA is not working. What part do I need?

Match your symptom to the most likely failed part:
Contactor: Clicks but compressor won't engage
Igniter: Won't ignite, igniter doesn't glow
Transformer: Thermostat blank, no power
Parts are listed above in order of most common failure. Visit our diagnostic hub for step-by-step troubleshooting guides.

Are these parts compatible with Bryant or Payne?

Carrier, Bryant, and Payne are all made by Carrier Global Corporation. Many PY3GNAA42090AA parts are cross-compatible with Bryant and Payne systems under different model numbers. Email info@nationalhvacparts.com with your model number to verify.

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Compatible Parts for Carrier PY3GNAA42090AA

Frequently Asked Questions