What MFD capacitor do I need for my ICP AC?

The correct replacement for ICP model WPH4604000RKB1 — Clamp Mount | Ships Today 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 ICP equipment which lists the model number WPH4604000RKB1 — Clamp Mount | Ships Today.

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.

ICP

ICP Round Run Capacitor 2.5 MFD for WPH4604000RKB1 — Clamp Mount | Ships Today

Name: ICP Round Run Capacitor 2.5 MFD for WPH4604000RKB1 — Clamp Mount | Ships Today
Brand: ICP
SKU: 1064218
Price: 22.04 USD
Availability: InStock

SKU: 1064218 Brand: ICP

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Overview

This OEM round run capacitor (part number 1064218) is a 2.5 MFD clamp-mounted capacitor used in the ICP/Tempstar/Heil WPH4604000RKB1 heat pump. A run capacitor provides the continuous phase shift that keeps the condenser fan motor turning smoothly and efficiently. As the capacitor weakens, it can no longer hold its rated 2.5 microfarad charge, causing the fan motor to hum, stall, draw excessive amperage, or fail to start. A failed run capacitor is one of the most common causes of a unit that runs hot, trips the breaker, or cools poorly on hot days.

Specifications

Spec	Value
Part Number	1064218
Type	Round Run Capacitor (Single)
Brand	ICP / Tempstar / Heil
Capacitance	2.5 MFD
Mount	Clamp, Round
Fitment	OEM

Compatibility

Engineered for the ICP/Tempstar/Heil WPH4604000RKB1 heat pump condenser. Always confirm the MFD rating printed on your existing capacitor matches 2.5 MFD before installing.

Installation Guide

Safety First — Disconnect power at the disconnect and breaker, then verify zero voltage with a multimeter. Discharge the old capacitor across its terminals with an insulated screwdriver.
Access — Remove the condenser service panel.
Document — Photograph all wire connections before disconnecting.
Remove — Loosen the mounting clamp and pull the wire terminals off the old capacitor.
Install — Secure the new capacitor in the clamp and reconnect the wires exactly as photographed.
Test — Restore power and confirm the condenser fan starts and runs smoothly.

Signs You Need a Replacement

Condenser fan hums but won't start or spins slowly
Bulging, leaking, or swollen capacitor top
Unit trips the breaker or runs hot
Poor cooling and high amp draw at the fan motor

Shipping & Returns

Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.

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

ICP Round Run Capacitor 2.5 MFD ...

$22.04

Frequently Asked Questions

Does this Capacitor fit my ICP WPH4604000RKB1 — Clamp Mount | Ships Today?

Yes. This is the factory-specified OEM capacitor for the ICP WPH4604000RKB1 — Clamp Mount | Ships Today. 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 ICP WPH4604000RKB1 — Clamp Mount | Ships Today?

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 ICP 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 ICP 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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