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Compatible Parts for Carrier PY1PNB042090AAAA

Packaged Unit — 5 OEM replacement parts in stock

The Carrier PY1PNB042090AAAA is a packaged unit containing both heating and cooling in a single outdoor cabinet. Same-day shipping on orders before 3 PM CST.

5 Parts Packaged Unit Carrier 3.5 Ton (42,000 BTU)

Part Type	Part & Symptom	DIY Level	Price
Capacitor	OEM Carrier Capacitor Hums but won't start, fan spins slowly	Easy 15-30 min	$56.95	Buy
Flame Sensor	OEM Carrier Flame Sensor 90° w/ Mounting Lights then shuts off after 3-10 sec	Easy 15-30 min	$27.95	Buy
Transformer	OEM Carrier Transformer 40VA 208/240V–24V Thermostat blank, no power	Medium 30-45 min	$55.95	Buy
Fan Motor	OEM Carrier Condenser Fan Motor Fan not spinning, grinding noise	Hard 1-2 hours	$118.95	Buy
Control Board	OEM Carrier Control Board System dead, no LED on board	Hard 1-2 hours	$231.95	Buy

DIY Total (All Parts)

$491.75

Technician Estimate (Parts + Labor)

$1800+

You Save

$1308+ (73%)

Troubleshooting? Diagnostic Hub Error Code Lookup

Frequently Asked Questions

What parts does the Carrier PY1PNB042090AAAA need?

The Carrier PY1PNB042090AAAA Packaged Unit uses these OEM replacement parts: Capacitor, Flame Sensor, Transformer, Fan Motor, Control Board. The most commonly replaced part is the Capacitor. All 5 parts are in stock with same-day shipping from National HVAC Parts. Total DIY cost for all parts: $491.75 vs $1800+ through a technician.

What type of system is the Carrier

The Carrier PY1PNB042090AAAA 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. This unit is rated at 3.5 tons (42,000 BTU/hr) of cooling capacity.

My Carrier PY1PNB042090AAAA is not working. What part do I need?

Match your symptom to the most likely failed part:
Capacitor: Hums but won't start, fan spins slowly
Flame Sensor: Lights then shuts off after 3-10 sec
Transformer: Thermostat blank, no power
Fan Motor: Fan not spinning, grinding noise
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.

Are these parts compatible with Bryant or Payne?

Carrier, Bryant, and Payne are all made by Carrier Global Corporation. Many PY1PNB042090AAAA 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 PY1PNB042090AAAA

Frequently Asked Questions