What amp contactor do I need for my ICP system?

The correct replacement for ICP model RGS150LDAA0AGAA — 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 RGS150LDAA0AGAA — 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/40A Contactor for RGS150LDAA0AGAA — 24V Coil | Ships Today

Name: ICP 2-Pole 30A/40A Contactor for RGS150LDAA0AGAA — 24V Coil | Ships Today
Brand: ICP
SKU: 1178074-GEN
Price: 32.95 USD
Availability: InStock

SKU: 1178074-GEN Brand: ICP

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Overview

This OEM 2-pole definite purpose contactor switches line power to the compressor and condenser fan in the ICP (International Comfort Products) RGS150LDAA0AGAA packaged gas/electric unit. A 24V control signal from the thermostat energizes the coil, pulling the contacts closed to start the cooling cycle. Available in 30A and 40A ratings to match the unit's load. Contactors are a high-wear part: the contacts arc every cycle and eventually pit, weld, or chatter. Worn contacts cause the compressor to fail to start, short-cycle, or buzz loudly, and welded contacts can leave the system running with the thermostat satisfied. A fresh contactor restores clean, reliable switching.

Specifications

Spec	Value
OEM Part Numbers	1178074 (2P 30A 24V), 1178211 (2P 40A 24V)
Type	Definite Purpose Contactor
Brand	ICP (Tempstar / Heil / Comfortmaker)
Poles	2-Pole
Contact Rating	30A or 40A
Coil Voltage	24 VAC

Compatibility

Fits the ICP RGS150LDAA0AGAA and equivalent Tempstar, Heil, and Comfortmaker packaged units. Choose 30A or 40A to match the rating stamped on your existing contactor and confirm the 24V coil.

Installation Guide

Safety First — Disconnect power at the unit disconnect and verify zero voltage with a multimeter.
Access — Remove the electrical service panel.
Document — Photograph all line, load, and 24V coil wiring before disconnecting.
Remove — Transfer wires one at a time or label them, then unbolt the old contactor from the bracket.
Install — Mount the new contactor, land each wire per your photo, and confirm tight terminals.
Test — Restore power, call for cooling, and verify the contacts pull in and the compressor/fan start.

Signs You Need a Replacement

Loud buzzing or chattering at the contactor
Compressor will not start or starts intermittently
Pitted, blackened, or welded contacts
System keeps running after the thermostat is satisfied

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/40A Contactor for...

$32.95

Frequently Asked Questions

Does this Contactor fit my ICP RGS150LDAA0AGAA — 24V Coil | Ships Today?

Yes. This is the factory-specified OEM contactor for the ICP RGS150LDAA0AGAA — 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 RGS150LDAA0AGAA — 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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