What amp contactor do I need for my Tempstar system?

The correct replacement for Tempstar model T2H342GKB100 — 24V Coil w/Shunt | 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 T2H342GKB100 — 24V Coil w/Shunt | 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 1-Pole 30A Contactor for T2H342GKB100 — 24V Coil w/Shunt | Ships Today

Name: Tempstar 1-Pole 30A Contactor for T2H342GKB100 — 24V Coil w/Shunt | Ships Today
Brand: Tempstar
SKU: 1172472-GEN
Price: 29.95 USD
Availability: InStock

SKU: 1172472-GEN Brand: Tempstar

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

Overview

The Tempstar 1172472 Contactor is the OEM single-pole, 30-amp switching relay for the T2H342GKB100 heat pump. Its 24V coil pulls in the line-voltage contacts to start the compressor and condenser fan whenever the thermostat calls, and the built-in shunt keeps the circuit energized for proper operation. Contactors wear out from millions of make/break cycles — pitted or welded contacts cause hard starting, chattering, buzzing, or a unit that won't run at all. Replacing it with the genuine OEM 1-pole 30A contactor restores clean, reliable switching and protects the compressor from voltage drop and arcing.

Specifications

Spec	Value
Part Number	1172472
Type	Definite Purpose Contactor (1-Pole, w/Shunt)
Brand	Tempstar (ICP / Heil)
Rating	30A
Poles	1
Coil Voltage	24V
Application	AC / Heat Pump Compressor & Fan
Fit	OEM Direct Replacement

Compatibility

Built for the Tempstar T2H342GKB100 heat pump and matching ICP/Heil condensing units originally equipped with contactor 1172472. Confirm pole count, amp rating, and 24V coil before ordering.

Installation Guide

Safety First — Disconnect power at the disconnect and breaker, then verify zero voltage with a multimeter.
Access — Remove the condensing unit electrical access panel.
Document — Photograph all line, load, and 24V coil connections before removing wires.
Remove — Transfer wires one at a time or label each, then unscrew the old contactor from its bracket.
Install — Mount the new 30A contactor and reconnect each wire exactly per your photos.
Test — Restore power, call for cooling/heating, and confirm the contactor pulls in and the compressor starts cleanly.

Signs You Need a Replacement

Loud buzzing or chattering from the contactor
Pitted, burned, or welded contacts
Compressor and fan won't start on a call
Contactor won't drop out when the call ends

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 1-Pole 30A Contactor fo...

$29.95

Frequently Asked Questions

Does this Contactor fit my Tempstar T2H342GKB100 — 24V Coil w/Shunt | Ships Today?

Yes. This is the factory-specified OEM contactor for the Tempstar T2H342GKB100 — 24V Coil w/Shunt | 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 T2H342GKB100 — 24V Coil w/Shunt | 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.

Menu