What amp contactor do I need for my Tempstar system?

The correct replacement for Tempstar model TCA236AKA5 — 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 Tempstar equipment which lists the model number TCA236AKA5 — 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.

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 25A Contactor for TCA236AKA5 — 24V Coil | Ships Today

Name: Tempstar 1-Pole 25A Contactor for TCA236AKA5 — 24V Coil | Ships Today
Brand: Tempstar
SKU: 1050699-GEN
Price: 34.95 USD
Availability: InStock

SKU: 1050699-GEN Brand: Tempstar

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Overview

This genuine OEM single-pole contactor (part #1050699) is the electrical switch that controls power to the compressor and condenser fan motor in your Tempstar TCA236AKA5 condensing unit. Rated for 25 amps with a 24-volt control coil, it energizes when your thermostat calls for cooling, allowing line-voltage current to flow to the outdoor unit. Contactors are one of the most common HVAC failure points because their contacts arc and pit with every cycle. A failed contactor produces a humming or chattering noise, pitted or welded contacts, or a complete no-cool condition where the outdoor unit will not start even though the thermostat is calling. Replacing it with the correct OEM-spec part restores reliable switching and protects your compressor from low-voltage damage.

Specifications

Spec	Value
Part Number	1050699
Type	Definite Purpose Contactor, Single Pole (1P)
Brand	Tempstar
Contact Rating	25 Amps
Coil Voltage	24V
Poles	1
Fits Model	TCA236AKA5

Compatibility

Engineered as a direct OEM replacement for the Tempstar TCA236AKA5 condensing unit. The same 1050699 contactor is also used across many ICP-family outdoor units (Tempstar, Heil, Comfortmaker, and related brands) that specify a 1-pole, 25A, 24V coil contactor. Always verify your existing contactor's amp rating, pole count, and coil voltage before ordering.

Installation Guide

Safety First — Disconnect power at the outdoor disconnect and breaker, then verify zero voltage at the contactor terminals with a multimeter before touching any wires.
Access — Remove the service/electrical access panel on the condensing unit.
Document — Take a clear photo of every wire and terminal position before disconnecting anything.
Remove — Note the line, load, and 24V coil terminal connections, then disconnect each spade and remove the mounting screws holding the old contactor.
Install — Mount the new 1050699 contactor in the same orientation and reconnect each wire exactly as photographed.
Test — Restore power, call for cooling, and confirm the contactor pulls in cleanly and the compressor/fan energize without chatter.

Signs You Need a Replacement

Loud humming, buzzing, or chattering from the outdoor unit when cooling is called
Burned, pitted, or welded contacts visible on the old contactor
Outdoor unit fails to start even though the thermostat is calling for cooling
Contactor pulls in intermittently or contacts stick closed and won't release

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 25A Contactor fo...

$34.95

Frequently Asked Questions

Does this Contactor fit my Tempstar TCA236AKA5 — 24V Coil | Ships Today?

Yes. This is the factory-specified OEM contactor for the Tempstar TCA236AKA5 — 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 Tempstar TCA236AKA5 — 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 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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