Same-day shipping before 3PM CST · 35,000+ OEM Parts · Texas CMBL & SAM.gov Registered · Government POs Accepted

Menu

Home Shop All Account Cart
OEM Carrier Dual 45+5 MFD Run Capacitor for PH1ZPA042000AAAA Package Unit
Carrier

OEM Carrier Dual 45+5 MFD Run Capacitor for PH1ZPA042000AAAA Package Unit

SKU: CARRIE-PH1ZPA042000AAAA-CAPACITOR-P291-1503 Brand: Carrier
Guaranteed to fit — or your money back. Terms

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier Dual Run Capacitor for PH1ZPA042000AAAA Package Unit

The dual run capacitor stores and releases energy to keep both the compressor and the condenser fan motor spinning efficiently after startup. It's one of the most common failure points in any package unit. When it weakens you'll see the fan or compressor humming but not starting, the unit tripping on overload, warm air from the supply registers, hard starts, or short-cycling — and a failed cap often shows a bulged, domed, or leaking top. A motor running on a degraded capacitor draws high amperage and overheats, which is what eventually kills the motor itself. This is a direct OEM dual run capacitor for the PH1ZPA042000AAAA. Match the rating exactly: it carries two MFD (microfarad) values — for example 40/5 or 45/5 MFD — at a 440V (or 370/440V) rating, held to a tight OEM ±5% tolerance. Verify the printed MFD on your old cap; the HERM terminal feeds the compressor, FAN feeds the motor, and C is common. Wrong MFD on either leg changes motor torque and current. Why OEM matters: cheap aftermarket capacitors often ship at ±10–15% tolerance and use lower-temperature dielectric film. A cap that's even a few MFD off pushes the compressor windings out of their designed phase angle, raising current and heat and quietly shortening compressor life — a $1,500+ repair to save a few dollars on a capacitor. Install difficulty: 2/5. Tools: 1/4" nut driver, needle-nose pliers, and a multimeter with capacitance mode. #1 safety warning: capacitors hold a lethal charge — kill the disconnect AND discharge the capacitor across its terminals with an insulated resistor before touching it. Ships same business day from a stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.

Compatibility

This part is compatible with Carrier model PH1ZPA042000AAAA. Always verify the part number against your unit's data plate before ordering.

Why Choose OEM?

OEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.

Shipping & Returns

Same-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.

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

Frequently Asked Questions

Does this Capacitor fit my Carrier PH1ZPA042000AAAA Package Unit?
Yes. This is the factory-specified OEM capacitor for the Carrier PH1ZPA042000AAAA Package Unit. 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 PH1ZPA042000AAAA Package Unit?
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.
Home Shop Search Account Cart
Fitment Guaranteed
MR
Mike Rivera
HVAC Parts Specialist — Online