What MFD capacitor do I need for my Trane AC?

The correct replacement for Trane model OEM Trane Single Run Capacitor — CPT00230 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 Trane equipment which lists the model number OEM Trane Single Run Capacitor — CPT00230.

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.

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OEM Trane Single Run Capacitor — CPT00230

Name: OEM Trane Single Run Capacitor — CPT00230
Brand: Trane
SKU: TRN-CPT00230
Price: 22.95 USD
Availability: InStock

SKU: TRN-CPT00230 Brand: Trane

$22.95 $29.95

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Genuine OEM Trane CPT00230 single run capacitor. It stores and delivers the electrical charge that keeps your compressor or fan motor running smoothly — a weak or bulging capacitor causes humming, hard starts, a motor that won't spin, or a unit that trips the breaker. This factory-spec capacitor restores proper torque and protects the motor in your Trane system.

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 $75
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 Trane Single Run Capacitor —...

$22.95

Frequently Asked Questions

Does this Capacitor fit my Trane OEM Trane Single Run Capacitor — CPT00230?

Yes. This is the factory-specified OEM capacitor for the Trane OEM Trane Single Run Capacitor — CPT00230. 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 Trane OEM Trane Single Run Capacitor — CPT00230?

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 Trane 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 Trane 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 Trane Single Run Capacitor — CPT00230

Shipping Information

Return Policy

Frequently Asked Questions