What amp contactor do I need for my ICP system?

The correct replacement for ICP model RGS243LDFA0AAAA — 24V Coil | 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 RGS243LDFA0AAAA — 24V Coil | 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 Contactor for RGS243LDFA0AAAA — 24V Coil | Ships Today

Name: ICP 2-Pole 30A Contactor for RGS243LDFA0AAAA — 24V Coil | Ships Today
Brand: ICP
SKU: 1171554-GEN
Price: 24.95 USD
Availability: InStock

SKU: 1171554-GEN Brand: ICP

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Overview

This OEM 2-pole definite purpose contactor (part #1171554) is the switching relay that energizes the compressor and condenser fan motor in your ICP/Tempstar/Heil RGS243LDFA0AAAA system. Rated for 30 amps with a 24-volt control coil, it closes whenever the thermostat calls for cooling, sending line voltage to the outdoor unit. Contactors are one of the most common failure points in HVAC equipment — the contacts pit, burn, and weld over thousands of switching cycles. Symptoms of a failing contactor include a humming or chattering outdoor unit, a system that won't start, contacts that stick closed so the compressor never shuts off, or visible pitting and arcing on the silver contact points.

Specifications

Spec	Value
Part Number	1171554
Type	Definite Purpose Contactor
Brand	ICP / Tempstar / Heil
Poles	2-Pole
Contact Rating	30 Amps
Coil Voltage	24V
Fitment	OEM Direct Replacement

Compatibility

Engineered as a direct-fit replacement for the ICP/Tempstar/Heil RGS243LDFA0AAAA and other systems using OEM part 1171554. The standard 2-pole, 30A, 24V coil footprint also serves as a common replacement across many residential split-system condensing units and gas furnace package equipment from the ICP family of brands.

Installation Guide

Safety First — Disconnect power at the breaker and the outdoor disconnect, then verify zero voltage with a multimeter before touching any terminals.
Access — Remove the service panel from the condensing unit or furnace control box.
Document — Photograph all line, load, and coil wiring before disconnecting anything.
Remove — Note terminal positions, transfer wires one at a time, and unscrew the old contactor from its mounting bracket.
Install — Mount the new contactor, reconnect each wire to the matching terminal per your photo, and confirm the 24V coil leads are secure.
Test — Restore power, call for cooling, and verify the contactor pulls in cleanly and the compressor and fan start.

Signs You Need a Replacement

Outdoor unit hums or buzzes but won't start
Compressor runs continuously because contacts are welded closed
Visible pitting, burning, or arcing on the contact points
Chattering relay or intermittent cooling

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 Contactor for RGS...

$24.95

Frequently Asked Questions

Does this Contactor fit my ICP RGS243LDFA0AAAA — 24V Coil | Ships Today?

Yes. This is the factory-specified OEM contactor for the ICP RGS243LDFA0AAAA — 24V Coil | 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 RGS243LDFA0AAAA — 24V Coil | 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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