What amp contactor do I need for my Tempstar system?

The correct replacement for Tempstar model T2A360GKD200 — 24V Coil OEM 1172786 | 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 T2A360GKD200 — 24V Coil OEM 1172786 | 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 2-Pole 40A Contactor for T2A360GKD200 — 24V Coil OEM 1172786 | Ships Today

Name: Tempstar 2-Pole 40A Contactor for T2A360GKD200 — 24V Coil OEM 1172786 | Ships Today
Brand: Tempstar
SKU: 1172786-GEN
Price: 31.95 USD
Availability: InStock

SKU: 1172786-GEN Brand: Tempstar

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Overview

This is the genuine OEM Tempstar 2-pole, 40-amp definite-purpose contactor (part number 1172786) for the T2A360GKD200 air conditioner. The contactor is the heavy-duty switch that connects line voltage to the compressor and condenser fan on a call for cooling. Its 24-volt control coil is energized by the thermostat circuit, which magnetically pulls both poles of contacts closed. Switching high current on every cycle, the contacts gradually pit, burn, and can eventually weld shut or fail to close. Typical symptoms are an outdoor unit that won't start, a compressor that runs nonstop because the contacts are welded, or a loud humming coil that can't pull the contacts in.

Specifications

Spec	Value
Part Number	1172786
Type	Definite-Purpose Contactor
Brand	Tempstar (ICP / Heil)
Poles	2-Pole
Contact Rating	40 Amps
Coil Voltage	24 VAC
Fits Model	T2A360GKD200
Fitment	OEM Replacement

Compatibility

Built for the Tempstar T2A360GKD200 condensing unit and the shared ICP / Heil / Comfortmaker platforms that specify part 1172786. Match the pole count (2), amp rating (40A), and coil voltage (24V) to your existing contactor before installing — these are the three ratings that determine interchangeability.

Installation Guide

Safety First — Shut off power at the outdoor disconnect and breaker, then verify zero voltage with a multimeter.
Access — Remove the electrical-compartment service panel on the condensing unit.
Document — Photograph all line, load, and 24V coil wires before disconnecting.
Remove — Transfer or label the wires one at a time, then unscrew the old contactor from its bracket.
Install — Mount the new 2-pole contactor and reconnect each wire to the matching terminal per your photo.
Test — Restore power, call for cooling, and confirm the contactor pulls in cleanly and the compressor and fan start.

Signs You Need a Replacement

Outdoor unit won't start on a cooling call
Compressor runs continuously and won't shut off (welded contacts)
Loud buzzing or humming from the contactor coil
Visibly pitted, burned, or corroded contact points

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

Tempstar 2-Pole 40A Contactor fo...

$31.95

Frequently Asked Questions

Does this Contactor fit my Tempstar T2A360GKD200 — 24V Coil OEM 1172786 | Ships Today?

Yes. This is the factory-specified OEM contactor for the Tempstar T2A360GKD200 — 24V Coil OEM 1172786 | 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 T2A360GKD200 — 24V Coil OEM 1172786 | 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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