What amp contactor do I need for my Tempstar system?

The correct replacement for Tempstar model T4A342GKN200 — 30A 24V Coil OEM 1172472 | 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 Tempstar equipment which lists the model number T4A342GKN200 — 30A 24V Coil OEM 1172472 | 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.

Is this contactor compatible with Bryant or Payne systems too?

Many Tempstar parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

Tempstar

Tempstar Single-Pole Contactor for T4A342GKN200 — 30A 24V Coil OEM 1172472 | Ships Today

Name: Tempstar Single-Pole Contactor for T4A342GKN200 — 30A 24V Coil OEM 1172472 | Ships Today
Brand: Tempstar
SKU: 1172472-GEN
Price: 34.00 USD
Availability: InStock

SKU: 1172472-GEN Brand: Tempstar

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Overview

This is the OEM single-pole contactor (part number 1172472) for the Tempstar T4A342GKN200 condensing unit. Rated at 30 amps with a 24V control coil and an integrated shunt, the contactor is the electrically operated switch that sends line voltage to the compressor and condenser fan motor on a call for cooling. The thermostat energizes the 24V coil, the main contacts snap closed, and the unit runs; releasing the coil opens the circuit. Over years of switching, the contacts erode and pit, and insects or debris can foul the mechanism — making the contactor a top wear item on every outdoor unit.

Specifications

Spec	Value
Part Number	1172472
Type	Single-Pole (1P) Definite Purpose Contactor
Brand	Tempstar
Contact Rating	30 Amps
Coil Voltage	24V
Features	Includes Shunt

Compatibility

Built for the Tempstar T4A342GKN200 air conditioner and shared across the ICP/Heil/Comfortmaker family of condensing units using a 1-pole 30A platform. Verify your existing contactor is single-pole with a 24V coil before installing.

Installation Guide

Safety First — Disconnect power at the outdoor disconnect and verify zero voltage with a multimeter.
Access — Remove the electrical access panel on the condensing unit.
Document — Photograph every wire on the contactor terminals before disconnecting anything.
Remove — Move wires one at a time to the new contactor, or label them, then unscrew the old contactor from the bracket.
Install — Mount the new contactor and reconnect line, load, and 24V coil wires exactly per your photo.
Test — Restore power, call for cooling, and confirm the contactor pulls in cleanly with no chatter or buzzing.

Signs You Need a Replacement

Compressor and fan won't start on a cooling call
Loud buzzing, humming, or chattering at the contactor
Pitted, burned, or welded contacts
Plunger sticks closed so the unit won't shut off

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

Tempstar Single-Pole Contactor f...

$34.00

Frequently Asked Questions

Does this Contactor fit my Tempstar T4A342GKN200 — 30A 24V Coil OEM 1172472 | Ships Today?

Yes. This is the factory-specified OEM contactor for the Tempstar T4A342GKN200 — 30A 24V Coil OEM 1172472 | 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 Tempstar T4A342GKN200 — 30A 24V Coil OEM 1172472 | 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 Tempstar 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 Tempstar 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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