What amp contactor do I need for my ICP system?

The correct replacement for ICP model RGS243LFFA0AAAA — 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 RGS243LFFA0AAAA — 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 24V Coil for RGS243LFFA0AAAA — Ships Today

Name: ICP 2-Pole 30A Contactor 24V Coil for RGS243LFFA0AAAA — Ships Today
Brand: ICP
SKU: 1171554-GEN
Price: 27.95 USD
Availability: InStock

SKU: 1171554-GEN Brand: ICP

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Overview

This genuine OEM 2-pole definite purpose contactor (part number 1171554) is the switching relay for the ICP / Tempstar / Heil RGS243LFFA0AAAA system. Rated at 30 amps with a 24-volt control coil, it energizes the compressor and condenser fan when the thermostat calls for cooling. The contactor's coil pulls the contacts closed to pass line voltage; over time the contacts pit, weld, or burn, and the coil can fail open. A bad contactor leaves the outdoor unit dead or, worse, stuck running because the contacts have welded shut.

Specifications

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

Compatibility

A direct OEM fit for the ICP RGS243LFFA0AAAA and equivalent Tempstar, Heil, Comfortmaker, and Carrier-family units using a 30A 24V 2-pole contactor. Verify the amp rating, pole count, and coil voltage against your existing part before installing.

Installation Guide

Safety First — Disconnect power at the disconnect and breaker, then verify zero voltage with a multimeter at the contactor terminals.
Access — Remove the outdoor unit's electrical access panel.
Document — Photograph every line, load, and coil wire before disconnecting.
Remove — Transfer leads one at a time, then unscrew the old contactor from its bracket.
Install — Mount the new 2-pole 30A contactor, reconnect each wire per your photo, and confirm the 24V coil leads are landed correctly.
Test — Restore power, call for cooling, and verify the contacts pull in and the compressor and fan energize.

Signs You Need a Replacement

Outdoor unit will not start on a cooling call.
Buzzing or chattering at the contactor.
Pitted, burned, or welded contacts.
Compressor runs continuously even when the thermostat is satisfied.

Shipping & Returns

Ships same day on orders placed before 3 PM CST. 30-day hassle-free 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 24V Coi...

$27.95

Frequently Asked Questions

Does this Contactor fit my ICP RGS243LFFA0AAAA — Ships Today?

Yes. This is the factory-specified OEM contactor for the ICP RGS243LFFA0AAAA — 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 RGS243LFFA0AAAA — 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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