What amp contactor do I need for my ICP system?

The correct replacement for ICP model RGS091SRCA0AAA — OEM Part 1178074 | 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 RGS091SRCA0AAA — OEM Part 1178074 | 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 RGS091SRCA0AAA — OEM Part 1178074 | Ships Today

Name: ICP 2-Pole 30A 24V Contactor for RGS091SRCA0AAA — OEM Part 1178074 | Ships Today
Brand: ICP
SKU: 1178074
Price: 42.84 USD
Availability: InStock

SKU: 1178074 Brand: ICP

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Overview

This genuine OEM 2-pole definite-purpose contactor (part number 1178074) is the switching relay for the ICP Tempstar Heil RGS091SRCA0AAA. Rated 30 amps with a 24-volt coil, the contactor closes its main contacts when the thermostat calls for cooling or heat, energizing the compressor and/or fan circuit, and opens to de-energize the load when the call ends. Contactors are one of the most common HVAC failure points: the contacts pit, burn, and weld from millions of inrush-current cycles, while the coil can open or chatter. A failed contactor shows up as a system that won't start, won't stop, or buzzes loudly. Installing the correct 30A 24V contactor restores clean, reliable switching.

Specifications

Spec	Value
Part Number	1178074
Type	Definite-purpose contactor, 2-pole
Contact Rating	30 Amps
Coil Voltage	24 VAC
Poles	2
Brand	ICP (Tempstar / Heil / Comfortmaker)
Fitment	OEM replacement

Compatibility

Direct OEM contactor for the ICP/Tempstar/Heil RGS091SRCA0AAA. The 2-pole 30A 24V definite-purpose format is shared across many ICP-family condensing units and packaged systems, so this part commonly fits related Tempstar, Heil, Comfortmaker, and Arcoaire equipment. 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. Verify zero voltage across all terminals with a multimeter.
Access — Remove the control/electrical panel to expose the contactor.
Document — Photograph every wire and terminal before disconnecting anything.
Remove — Label and disconnect the line, load, and 24V coil wires, then unscrew and remove the old contactor.
Install — Mount the new 1178074 contactor and reconnect each wire to the matching terminal per your photo.
Test — Restore power, initiate a call from the thermostat, and confirm the contactor pulls in cleanly and the system runs.

Signs You Need a Replacement

System won't start even though the thermostat is calling
Loud humming or buzzing from the control box
Pitted, burned, or welded contacts visible on the old part
Compressor or fan that won't shut off (stuck/welded contacts)

Shipping & Returns

Ships same day on orders placed before 3 PM CST. 30-day returns on unused parts. 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...

$42.84

Frequently Asked Questions

Does this Contactor fit my ICP RGS091SRCA0AAA — OEM Part 1178074 | Ships Today?

Yes. This is the factory-specified OEM contactor for the ICP RGS091SRCA0AAA — OEM Part 1178074 | 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 RGS091SRCA0AAA — OEM Part 1178074 | 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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