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OEM Carrier Dual Run Capacitor 35+5 MFD 370V — PH1ZNA024000ADAA
Carrier

OEM Carrier Dual Run Capacitor 35+5 MFD 370V — PH1ZNA024000ADAA

SKU: CARRIE-PH1ZNA024000ADAA-CAPACITOR-P291-3553RS Brand: Carrier
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OEM Carrier Dual Run Capacitor 35+5 MFD 370V for Model PH1ZNA024000ADAA

This OEM dual run capacitor kit covers both the P291-3553RS (Dual Run, 35+5 MFD 370V Round) and the P291-1503 (Single Run, 15 MFD 370V Oval) — the two factory-specified capacitors for the Carrier PH1ZNA024000ADAA heat pump system. The dual run capacitor simultaneously serves the compressor (HERM terminal) and the condenser fan motor (FAN terminal), while the single run capacitor supports the blower or auxiliary motor circuit. When either capacitor fails, you'll typically hear a low hum with no motor start, notice the system short-cycling within minutes of startup, or experience full system lockout with no cooling or heating output.

  • Primary Specs (P291-3553RS Dual Run): 35+5 MFD (microfarad) | 370V rated | Round case | Three terminals: HERM – C – FAN | Factory GE/Genteq manufactured for Carrier | ±5% tolerance
  • Secondary Specs (P291-1503 Single Run): 15 MFD | 370V rated | Oval case | Factory Totaline/Carrier OEM | Note: superseded by P291-1504 (440V upgrade); 440V is backward-compatible with 370V systems
  • OEM vs Generic: OEM capacitors are manufactured to exact Carrier factory tolerances. Generic units commonly run ±10% MFD deviation, accelerating motor winding stress, reducing compressor life, and voiding equipment warranties on newer systems.
  • Install Difficulty: 2/5 — Always discharge the capacitor before handling — stored charge can cause injury. Tools needed: 1/4" nut driver, needle-nose pliers, multimeter (capacitance mode). Photograph existing wiring before disconnecting. Match MFD rating exactly; voltage rating must be equal to or higher than the original.
  • Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse.

Compatibility: Engineered as the factory replacement for Carrier model PH1ZNA024000ADAA heat pump systems. Cross-references include GE 97F9834, Genteq 97F9834BZ3, HC98JA036, HC98CA036, HC98CA035, P291-3553R, and HV98CA035 for the dual run unit. Verify MFD and voltage ratings on your unit's data plate before ordering. Our team is available to confirm fitment — order today and your parts ship the same business day.

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 OEM Carrier Dual Run Capacitor 35+5 MFD 370V — PH1ZNA024000ADAA?
Yes. This is the factory-specified OEM capacitor for the Carrier OEM Carrier Dual Run Capacitor 35+5 MFD 370V — PH1ZNA024000ADAA. 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 Run Capacitor 35+5 MFD 370V — PH1ZNA024000ADAA?
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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