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Carrier

OEM Carrier Contactor CSA0300H2Y for Model CSA0300H2Y

SKU: carrier-contactor-csa0300h2y Brand: Carrier
$39.95

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

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OEM Carrier Contactor CSA0300H2Y for Model CSA0300H2Y

This genuine OEM Carrier contactor is the electromechanical switch that energizes your air conditioner or heat pump compressor and outdoor fan motor each time the thermostat calls for cooling. Built to exact factory specifications, it is fully compatible with Carrier model CSA0300H2Y, ensuring correct coil voltage, contact rating, and mounting footprint for a precise, worry-free replacement. A failing contactor causes hard starts, chattering, or a unit that will not run, so installing this factory part restores reliable operation. Replacement is a moderate DIY job for a handy homeowner and routine for any HVAC technician: shut off power at the disconnect, photograph and transfer the wiring one terminal at a time, then secure the new contactor. Using an OEM contactor protects your compressor from voltage drop and premature wear that generic switches can cause. Every order placed before 3PM CST ships same-day, so you can get your system cooling again fast. Backed by our HVAC parts specialists if you need help confirming fitment before you buy.

Compatibility

This part is compatible with Carrier model CSA0300H2Y.

Shipping

Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.

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 support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Contactor fit my Carrier Model CSA0300H2Y?
Yes. This is the factory-specified OEM contactor for the Carrier Model CSA0300H2Y. 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 Carrier Model CSA0300H2Y?
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 Carrier 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 Carrier 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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