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Compatible Parts for Carrier PG9MAB048100ACSA

Gas Furnace — 5 OEM replacement parts in stock

The Carrier PG9MAB048100ACSA is a gas-fired forced-air furnace that heats through a heat exchanger and blower motor. Same-day shipping on orders before 3 PM CST.

5 Parts Gas Furnace Carrier 4 Ton (48,000 BTU)

Part Type	Part & Symptom	DIY Level	Price
Flame Sensor	OEM Carrier Flame Sensor Lights then shuts off after 3-10 sec	Easy 15-30 min	$43.95	Buy
Igniter	OEM Carrier Hot Surface Igniter LH33ZG001 Won't ignite, igniter doesn't glow	Medium 30-45 min	$77.95	Buy
Transformer	OEM Carrier Transformer Thermostat blank, no power	Medium 30-45 min	$43.95	Buy
Control Board	OEM Carrier Control Board System dead, no LED on board	Hard 1-2 hours	$231.95	Buy
Gas Valve	OEM Carrier Gas Valve 24V 1/2" 3.5"WC No gas flow, won't heat	Pro Only Licensed tech	$177.95	Buy

DIY Total (All Parts)

$575.75

Technician Estimate (Parts + Labor)

$2050+

You Save

$1474+ (72%)

Troubleshooting? Diagnostic Hub Error Code Lookup

Frequently Asked Questions

What parts does the Carrier PG9MAB048100ACSA need?

The Carrier PG9MAB048100ACSA Gas Furnace uses these OEM replacement parts: Flame Sensor, Igniter, Transformer, Control Board, Gas Valve. The most commonly replaced part is the Flame Sensor. All 5 parts are in stock with same-day shipping from National HVAC Parts. Total DIY cost for all parts: $575.75 vs $2050+ through a technician.

What type of system is the Carrier

The Carrier PG9MAB048100ACSA is a gas-fired forced-air furnace that heats through a heat exchanger and blower motor. It is manufactured by Carrier, a brand of Carrier Global Corporation. This unit is rated at 4 tons (48,000 BTU/hr) of cooling capacity.

My Carrier PG9MAB048100ACSA is not working. What part do I need?

Match your symptom to the most likely failed part:
Flame Sensor: Lights then shuts off after 3-10 sec
Igniter: Won't ignite, igniter doesn't glow
Transformer: Thermostat blank, no power
Control Board: System dead, no LED on board
Gas Valve: No gas flow, won't heat
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 PG9MAB048100ACSA 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 PG9MAB048100ACSA

Frequently Asked Questions