What MFD capacitor do I need for my Carrier AC?

The correct replacement for Carrier model OEM Carrier Dual & Single Run Capacitor Kit 10/10 MFD 370V — PY1RPA150 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 OEM Carrier Dual & Single Run Capacitor Kit 10/10 MFD 370V — PY1RPA150.

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.

OEM Carrier Dual & Single Run Capacitor Kit 10/10 MFD 370V — PY1RPA150

Carrier

OEM Carrier Dual & Single Run Capacitor Kit 10/10 MFD 370V — PY1RPA150

Name: OEM Carrier Dual & Single Run Capacitor Kit 10/10 MFD 370V — PY1RPA150
Brand: Carrier
SKU: CARRIE-PY1RPA150224ADWB-CAPACITOR-P291-1013
Price: 29.00 USD
Availability: InStock

SKU: CARRIE-PY1RPA150224ADWB-CAPACITOR-P291-1013 Brand: Carrier

✓ Guaranteed to fit PY1RPA150 — or your money back. Terms

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OEM Carrier Dual Run Capacitor 10/10 MFD 370V & Single Run Capacitor 4 MFD 370V for Model PY1RPA150224ADWB

This OEM Carrier capacitor kit covers both the dual run capacitor (P291-1013 / successor P291-1014) and the single run capacitor (P291-0403 / successor P291-0404) — the two factory-specified capacitors for the Carrier PY1RPA150224ADWB packaged unit. The dual run capacitor simultaneously supports both the compressor and condenser fan motor, while the single run capacitor sustains the blower or auxiliary motor during normal operation. A failing capacitor typically presents as a humming unit that won't start, a compressor that kicks off after a few seconds, or a fan blade that spins slowly or only when manually spun. These are among the most common HVAC service calls — and one of the most cost-effective repairs you can make.

Dual Run Capacitor Specs (P291-1013 / P291-1014): 10+10 MFD (microfarad) | 370 VAC | Oval case | Aluminum housing | 50/60 Hz | Factory-matched ±3% tolerance | Replaces HC93CA013, GE Genteq 27L180
Single Run Capacitor Specs (P291-0403 / P291-0404): 4 MFD | 370 VAC | Oval case | Aluminum housing | 50/60 Hz | UL Approved with pressure-sensitive interrupter | Replaces HC90AA004, HC91CA004, HC90AB004
OEM vs Generic: Carrier Totaline OEM capacitors are tested to 60,000 service hours and built with high-grade metallized polypropylene film (5–12 microns thick). Generic capacitors often run ±10% MFD tolerance, which accelerates motor wear, stresses the compressor, and shortens overall system life — especially under heavy seasonal loads.
Install difficulty: 2/5 — Always discharge capacitors before touching terminals. Tools needed: 1/4" nut driver, needle-nose pliers, multimeter with capacitance function. Photograph all wiring before disconnecting. Match MFD and voltage ratings exactly from your unit's data plate before installing.
Warranty & Shipping: 1-year OEM factory warranty. RoHS compliant. Ships same business day from our warehouse when ordered by 3PM local time.

Compatibility: Both capacitors are factory-specified replacements for the Carrier PY1RPA150224ADWB packaged unit. Note: P291-1013 has been superseded by P291-1014, and P291-0403 has been superseded by P291-0404 — all are cross-compatible. Always verify MFD and voltage ratings on your unit's data plate before ordering. Have questions about fitment? Our HVAC parts specialists verify compatibility before you buy — just reach out before placing your order.

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 & Single Run Ca...

$29.00

Frequently Asked Questions

Does this Capacitor fit my Carrier OEM Carrier Dual & Single Run Capacitor Kit 10/10 MFD 370V — PY1RPA150?

Yes. This is the factory-specified OEM capacitor for the Carrier OEM Carrier Dual & Single Run Capacitor Kit 10/10 MFD 370V — PY1RPA150. 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 OEM Carrier Dual & Single Run Capacitor Kit 10/10 MFD 370V — PY1RPA150?

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 & Single Run Capacitor Kit 10/10 MFD 370V — PY1RPA150

OEM Carrier Dual Run Capacitor 10/10 MFD 370V & Single Run Capacitor 4 MFD 370V for Model PY1RPA150224ADWB

Shipping Information

Return Policy

Frequently Asked Questions