What amp contactor do I need for my ICP system?

The correct replacement for ICP model RHS183S0CA0AAAA — 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 RHS183S0CA0AAAA — 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 2-Pole 30A 24V Contactor for RHS183S0CA0AAAA — Ships Today

Name: ICP 2-Pole 30A 24V Contactor for RHS183S0CA0AAAA — Ships Today
Brand: ICP
SKU: 1171554
Price: 37.64 USD
Availability: InStock

SKU: 1171554 Brand: ICP

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Overview

This OEM 2-pole, 30-amp definite purpose contactor with a 24V coil is the electrical switch that energizes the compressor and condenser fan in your ICP RHS183S0CA0AAAA heat pump. When the thermostat calls, the 24V coil pulls the contacts closed to deliver line voltage to the outdoor unit. Pitted, welded, or chattering contacts are a frequent cause of a unit that won't start, won't shut off, or buzzes loudly at the disconnect. A heavier 3-pole 40A option (1172449) is also referenced for higher-capacity configurations.

Specifications

Spec	Value
Part Numbers	1171554 (2P 30A 24V), 1172449 (3P 40A 24V)
Type	Definite Purpose Contactor
Brand	ICP / Tempstar / Heil
Poles	2-Pole
Amp Rating	30A
Coil Voltage	24V

Compatibility

Direct OEM replacement for the ICP/Tempstar/Heil RHS183S0CA0AAAA heat pump and related RHS-series condensing units. Match poles, amp rating, and 24V coil voltage to your existing contactor before installing.

Installation Guide

Safety First — Disconnect power at the disconnect and breaker, then verify zero voltage with a multimeter.
Access — Remove the condenser electrical-compartment panel.
Document — Photograph the line, load, and coil (24V) connections before disconnecting.
Remove — Disconnect all leads, unscrew the contactor from the bracket, and lift it out.
Install — Mount the new contactor and reconnect each lead to its matching terminal per your photo.
Test — Restore power and confirm the contacts pull in cleanly on a thermostat call.

Signs You Need a Replacement

Loud buzzing or chattering from the contactor
Pitted, burned, or welded contacts
Compressor won't start or won't shut off
Coil fails to pull the contacts closed on a call

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 2-Pole 30A 24V Contactor for...

$37.64

Frequently Asked Questions

Does this Contactor fit my ICP RHS183S0CA0AAAA — Ships Today?

Yes. This is the factory-specified OEM contactor for the ICP RHS183S0CA0AAAA — 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 RHS183S0CA0AAAA — 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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