What MFD capacitor do I need for my Carrier AC?

The correct replacement for Carrier model HA1BJX024000ADAA is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Carrier equipment which lists the model number HA1BJX024000ADAA.

My AC hums but will not start. What part do I need?

An AC that hums but will not start is the classic symptom of a failed capacitor. The capacitor provides the electrical boost needed to start the compressor and fan motors. When it fails, you hear the hum of the motor trying to start but it cannot overcome inertia. Other symptoms include the fan spinning slowly, the AC cycling on and off rapidly, or a visibly swollen or leaking capacitor. Replacement cost: $15 to $80 for the part, DIY in 30 minutes.

Is this capacitor compatible with Bryant or Payne systems too?

Many Carrier parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

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OEM Carrier Dual Run & Start Capacitor Kit for HA1BJX024000ADAA

Name: OEM Carrier Dual Run & Start Capacitor Kit for HA1BJX024000ADAA
Brand: Carrier
SKU: CARRIE-HA1BJX024000ADAA-CAPACITOR-P291-3553RS
Price: 25.00 USD
Availability: InStock

SKU: CARRIE-HA1BJX024000ADAA-CAPACITOR-P291-3553RS Brand: Carrier

✓ Guaranteed to fit HA1BJX024000ADAA — or your money back. Terms

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OEM Carrier Dual Run & Start Capacitor for Model HA1BJX024000ADAA

These OEM replacement capacitors — dual run capacitor P291-3553RS and start capacitor P281-1356 — are the factory-specified components for the Carrier HA1BJX024000ADAA air handler and associated condensing equipment. Capacitors store and discharge the electrical energy required to start and run the compressor and fan motors. A failing capacitor typically presents as a humming unit that won't start, intermittent short-cycling, a system that trips the breaker, or a condenser fan that spins slowly or not at all. Replacing with genuine OEM parts ensures exact electrical tolerances and protects your compressor from premature wear.

Included Parts: P291-3553RS Dual Run Capacitor (supports both compressor and condenser fan motor) | P281-1356 Start Capacitor (provides extra torque on compressor start-up) | Factory-matched MFD and voltage ratings for the HA1BJX024000ADAA platform
OEM vs Generic: Genuine Carrier OEM capacitors are manufactured to ±3% MFD tolerance. Aftermarket units commonly run ±10%, causing increased motor stress, reduced efficiency, and shorter component lifespan — a false economy on a costly compressor.
Install Difficulty: 2/5 — Always disconnect power and discharge capacitors fully before handling — stored charge can cause serious injury. Tools needed: insulated screwdriver, 1/4" nut driver, needle-nose pliers, and a multimeter to verify discharge. Photograph all wiring connections before removal. Start capacitor may include a hard-start relay; confirm existing wiring configuration.
Warranty & Shipping: Backed by a 1-year OEM factory warranty. In-stock units ship same business day from our climate-controlled warehouse — get your system back online fast.

Compatibility: Designed specifically for the Carrier HA1BJX024000ADAA 2-ton air handler system. Always cross-reference the MFD rating, voltage rating, and physical case style printed on your existing capacitor's data label before installing. If you need fitment confirmation, our HVAC parts specialists verify compatibility before you order — no guesswork required.

Shipping Information

Orders placed before 3PM CST ship same business day
Standard delivery: 2-5 business days
Express shipping available at checkout
Free shipping on orders over $99
Tracking number emailed upon shipment

Return Policy

30-day returns on unused parts in original packaging
Electrical parts (capacitors, contactors, control boards) are final sale once installed
Email info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

OEM Carrier Dual Run & Start Cap...

$25.00

Frequently Asked Questions

Does this Capacitor fit my Carrier HA1BJX024000ADAA?

Yes. This is the factory-specified OEM capacitor for the Carrier HA1BJX024000ADAA. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the capacitor on my Carrier HA1BJX024000ADAA?

Difficulty: Easy (20–30 min)
Step 1: Turn off power at breaker. Step 2: Open condensing unit panel. Step 3: Photograph the old capacitor wiring (Common/Herm/Fan). Step 4: Discharge old capacitor with insulated screwdriver. Step 5: Disconnect and remove old capacitor. Step 6: Mount new capacitor, reconnect wires to matching terminals. Step 7: Close panel, restore power, test. Tools: screwdriver, needle-nose pliers.

My AC hums but won’t start. What part do I need?

An AC that hums but won’t start is the classic symptom of a failed capacitor. The capacitor provides the electrical boost to start the compressor. When it fails, you hear humming but the motor can’t overcome inertia. Other symptoms: fan spinning slowly, AC cycling on/off rapidly, or a visibly swollen capacitor. Fix: replace capacitor ($15–$80 DIY, 30 min).

Is this capacitor compatible with Bryant or Payne too?

Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my Carrier capacitor?

OEM strongly recommended. OEM capacitors have ±6% MFD tolerance vs aftermarket ±10%. The looser tolerance causes motor winding stress, higher temps, and shorter compressor life. Price difference is only $10–$20 — OEM is the clear value choice.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

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OEM Carrier Dual Run & Start Capacitor Kit for HA1BJX024000ADAA

OEM Carrier Dual Run & Start Capacitor for Model HA1BJX024000ADAA

Shipping Information

Return Policy

Frequently Asked Questions