What amp contactor do I need for my ICP system?

The correct replacement for ICP model RGS303STFA0AAAA — 24V Coil OEM 1171554 | 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 RGS303STFA0AAAA — 24V Coil OEM 1171554 | 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 RGS303STFA0AAAA — 24V Coil OEM 1171554 | Ships Today

Name: ICP 2-Pole 30A Contactor for RGS303STFA0AAAA — 24V Coil OEM 1171554 | Ships Today
Brand: ICP
SKU: 1171554-GEN
Price: 32.95 USD
Availability: InStock

SKU: 1171554-GEN Brand: ICP

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Overview

This genuine OEM 2-pole, 30-amp contactor (part number 1171554) with a 24V control coil switches line-voltage power to the components in the ICP/Tempstar/Heil RGS303STFA0AAAA system. When the thermostat calls, the 24V coil energizes and pulls the contacts closed to deliver power; when satisfied, it drops out. Pitted, welded, or chattering contacts and a burned-out coil cause failure to start, buzzing, or a unit that won't shut off. Replacing with the correct OEM contactor restores clean, reliable switching and protects downstream components.

Specifications

Spec	Value
Part Number	1171554 (CONTACTOR 2P 30A 24V)
Type	Definite Purpose, 2-Pole
Brand	ICP / Tempstar / Heil
Contact Rating	30A
Coil Voltage	24V
Poles	2
Fits Model	RGS303STFA0AAAA

Compatibility

Designed as the factory replacement for the ICP/Tempstar/Heil RGS303STFA0AAAA system and shared family variants that originally used part 1171554. Confirm pole count, amp rating, and coil voltage against your existing contactor before ordering.

Installation Guide

Safety First — Disconnect power at the unit disconnect and breaker, then verify zero voltage with a multimeter.
Access — Remove the electrical service panel.
Document — Photograph all line, load, and 24V coil connections before disconnecting.
Remove — Transfer wires one at a time or label them, unfasten the old contactor, and remove it.
Install — Mount the new 1171554 contactor and reconnect each wire exactly per your photo.
Test — Restore power and confirm the contacts pull in on a call and drop out cleanly when satisfied.

Signs You Need a Replacement

Pitted, burned, or welded contacts
Loud buzzing or chattering when energized
Unit won't start or won't shut off
Coil reads open or no longer pulls the contacts in

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...

$32.95

Frequently Asked Questions

Does this Contactor fit my ICP RGS303STFA0AAAA — 24V Coil OEM 1171554 | Ships Today?

Yes. This is the factory-specified OEM contactor for the ICP RGS303STFA0AAAA — 24V Coil OEM 1171554 | 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 RGS303STFA0AAAA — 24V Coil OEM 1171554 | 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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