What amp contactor do I need for my ICP system?

The correct replacement for ICP model RHS036S0BA0AAAA — 24V Coil OEM 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 RHS036S0BA0AAAA — 24V Coil OEM 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 Contactor for RHS036S0BA0AAAA — 24V Coil OEM 1178074 | Ships Today

Name: ICP 2-Pole 30A Contactor for RHS036S0BA0AAAA — 24V Coil OEM 1178074 | Ships Today
Brand: ICP
SKU: 1178074-GEN
Price: 29.00 USD
Availability: InStock

SKU: 1178074-GEN Brand: ICP

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Overview

This is the OEM 2-pole, 30-amp definite-purpose contactor with a 24-volt coil for the ICP / Tempstar / Heil RHS036S0BA0AAAA condensing unit, OEM part number 1178074. The contactor is the electrical relay that the thermostat energizes to switch line voltage to the compressor and condenser fan motor. Its coil pulls in two sets of contacts rated 30A so high current is handled safely. Over time the contacts pit, weld, or burn and the coil weakens, producing chattering, a buzzing humming sound, a unit that will not start, or one that will not shut off. This OEM contactor restores reliable switching with the exact 24V coil and 30A rating the system expects.

Specifications

Spec	Value
Part Number	1178074
Type	Definite-Purpose Contactor
Poles	2-Pole
Contact Rating	30A
Coil Voltage	24V
Brand	ICP (Tempstar / Heil)
Model	RHS036S0BA0AAAA

Compatibility

Built for the ICP / Tempstar / Heil RHS036S0BA0AAAA and other RHS036-series condensing units using a 2-pole 30A contactor with a 24V control coil. Verify pole count and coil voltage against your existing part before installing.

Installation Guide

Safety First — Disconnect power at the disconnect and breaker, and verify zero voltage with a multimeter.
Access — Remove the condenser control-box service panel.
Document — Photograph every line, load, and 24V coil wire before disconnecting.
Remove — Move wires one at a time to the new contactor, then unbolt the old contactor from the bracket.
Install — Mount the new contactor and confirm each wire matches your photo on the correct terminal.
Test — Restore power, call for cooling, and verify the contactor pulls in cleanly and the compressor and fan start.

Signs You Need a Replacement

Buzzing, chattering, or humming from the contactor
Pitted, burnt, or welded contacts
Outdoor unit will not start on a cooling call
Unit will not shut off because contacts are stuck closed

Shipping & Returns

Ships same day on orders placed 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 RHS...

$29.00

Frequently Asked Questions

Does this Contactor fit my ICP RHS036S0BA0AAAA — 24V Coil OEM 1178074 | Ships Today?

Yes. This is the factory-specified OEM contactor for the ICP RHS036S0BA0AAAA — 24V Coil OEM 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 RHS036S0BA0AAAA — 24V Coil OEM 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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