What amp contactor do I need for my ICP system?

The correct replacement for ICP model WCH3482GKR4 — OEM 1172472 | 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 WCH3482GKR4 — OEM 1172472 | Ships Today.

My AC clicks but the compressor does not turn on. What is wrong?

Clicking from the outdoor unit without the compressor starting usually means a worn contactor. The contactor is the relay that sends power to the compressor. When its contacts are pitted or worn, it clicks but cannot establish a solid electrical connection. Other symptoms: visible pitting or burn marks on the contactor face, AC works intermittently, or buzzing from the contactor.

ICP

ICP 1-Pole 30A Contactor 24V Coil for WCH3482GKR4 — OEM 1172472 | Ships Today

Name: ICP 1-Pole 30A Contactor 24V Coil for WCH3482GKR4 — OEM 1172472 | Ships Today
Brand: ICP
SKU: 1172472
Price: 44.20 USD
Availability: InStock

SKU: 1172472 Brand: ICP

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Overview

This is the genuine OEM 1-pole, 30-amp definite purpose contactor with a 24V coil and integrated shunt (part #1172472) for the ICP/Heil/Tempstar WCH3482GKR4 heat pump. The contactor is the high-voltage switch that the thermostat's 24V signal closes to energize the compressor and condenser fan motor. Its contacts carry the full load current every cycle, so they eventually pit, burn, or weld from arcing. A failing contactor causes hard starting, chattering, a humming outdoor unit that won't start, or a system that won't shut off because the contacts have welded closed.

Specifications

Spec	Value
Part Number	1172472
Type	Definite Purpose Contactor
Brand	ICP / Heil / Tempstar
Poles	1-Pole (single pole, with shunt)
Contact Rating	30 Amps
Coil Voltage	24V AC
Fit	OEM Replacement

Compatibility

Designed for the ICP family WCH3482GKR4 heat pump and the related WCH3482GKR3 and GKR2 revisions, plus Heil and Tempstar equivalents using the 1172472 contactor. Confirm a 1-pole, 30A, 24V coil contactor before ordering.

Installation Guide

Safety First — Disconnect power at the outdoor disconnect and verify zero voltage with a multimeter.
Access — Remove the condenser service panel to reach the control box.
Document — Photograph every wire and terminal before disconnecting.
Remove — Note line, load, and 24V coil leads, disconnect them, and unscrew the old contactor from the bracket.
Install — Mount the new contactor and reconnect each wire exactly per your photo.
Test — Restore power and confirm the contactor pulls in on a cooling/heating call and drops out cleanly.

Signs You Need a Replacement

Outdoor unit hums but compressor/fan won't start
Loud chattering or buzzing from the contactor
Burnt, pitted, or welded contacts
System won't shut off (welded closed contacts)

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 1-Pole 30A Contactor 24V Coi...

$44.20

Frequently Asked Questions

Does this Contactor fit my ICP WCH3482GKR4 — OEM 1172472 | Ships Today?

Yes. This is the factory-specified OEM contactor for the ICP WCH3482GKR4 — OEM 1172472 | 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 contactor on my ICP WCH3482GKR4 — OEM 1172472 | Ships Today?

Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Open condensing unit panel. Step 3: Photograph ALL wiring on the contactor. Step 4: Label each wire with tape. Step 5: Disconnect wires and remove old contactor. Step 6: Mount new contactor, reconnect wires matching your photo. Step 7: Restore power and test.

My AC clicks but the compressor won’t turn on. What’s wrong?

Clicking from the outdoor unit without the compressor starting = worn contactor. The contactor sends power to the compressor. When its contacts are pitted, it clicks but can’t make solid contact. Look for: visible pitting/burn marks on the contactor face, intermittent operation, or buzzing.

Is this contactor 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 contactor?

OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.

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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