What amp contactor do I need for my ICP system?

The correct replacement for ICP model WJH424000KTP0A1 — 30A 24V Coil w/ Shunt | 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 WJH424000KTP0A1 — 30A 24V Coil w/ Shunt | 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 Single-Pole Contactor for WJH424000KTP0A1 — 30A 24V Coil w/ Shunt | Ships Today

Name: ICP Single-Pole Contactor for WJH424000KTP0A1 — 30A 24V Coil w/ Shunt | Ships Today
Brand: ICP
SKU: 1172472
Price: 42.84 USD
Availability: InStock

SKU: 1172472 Brand: ICP

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Overview

This OEM single-pole definite-purpose contactor (PN 1172472) is the electrical switch that delivers line power to the compressor and condenser fan motor in your ICP/Heil/Tempstar WJH424000KTP0A1 heat pump. Rated at 30 amps with a 24-volt control coil and an integrated shunt, it closes the moment your thermostat calls for cooling or heating. Contactors are among the most common failure points in an outdoor unit because the contacts arc and pit each time they open and close. When the contact surfaces burn, weld shut, or the coil fails, the unit either refuses to start, hums without engaging, or won't shut off. Replacing a worn contactor restores clean, reliable switching and protects the compressor from chatter and low-voltage damage.

Specifications

Spec	Value
Part Number	1172472
Type	Single-Pole (1P) Definite Purpose Contactor
Brand	ICP / Heil / Tempstar
Contact Rating	30 Amps
Coil Voltage	24 VAC
Poles	1
Features	Integrated shunt

Compatibility

Direct OEM fit for the ICP/Heil/Tempstar WJH424000KTP0A1 heat pump. As a definite-purpose 30A 24V single-pole contactor it also services many comparable Carrier, Bryant, Comfortmaker and Heil condensing units that use the same control scheme. Verify your existing contactor's amp rating, pole count and coil voltage before installing.

Installation Guide

Safety First — Disconnect power at the outdoor disconnect and breaker, then verify zero voltage with a multimeter across the line terminals.
Access — Remove the control-panel service cover on the condensing unit.
Document — Photograph every wire and terminal position before disconnecting anything.
Remove — Label and disconnect the line, load and 24V coil leads, then unscrew the old contactor from its mounting bracket.
Install — Mount the new contactor and reconnect each wire exactly as photographed, confirming the 24V leads land on the coil terminals.
Test — Restore power and call for cooling; confirm the contactor pulls in cleanly and the compressor and fan energize.

Signs You Need a Replacement

Outdoor unit hums but the compressor and fan won't start.
Contacts are pitted, blackened or visibly welded together.
Unit chatters or rapidly cycles on and off.
Compressor keeps running after the thermostat is satisfied.

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 Single-Pole Contactor for WJ...

$42.84

Frequently Asked Questions

Does this Contactor fit my ICP WJH424000KTP0A1 — 30A 24V Coil w/ Shunt | Ships Today?

Yes. This is the factory-specified OEM contactor for the ICP WJH424000KTP0A1 — 30A 24V Coil w/ Shunt | 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 WJH424000KTP0A1 — 30A 24V Coil w/ Shunt | 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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