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OEM Carrier 3-Pole Contactor 24V Coil HN53CD209 for ROA0300L2Y
Carrier

OEM Carrier 3-Pole Contactor 24V Coil HN53CD209 for ROA0300L2Y

SKU: CARRIE-ROA0300L2Y-CONTACTOR-HN53CD209 Brand: Carrier
✓ Guaranteed to fit ROA0300L2Y — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 3-Pole Contactor HN53CD209 for Model ROA0300L2Y

This is the genuine OEM replacement contactor for the Carrier ROA0300L2Y packaged or commercial HVAC unit. The contactor functions as a high-voltage relay, receiving a low-voltage (24V) signal from the control board and closing the circuit to deliver line voltage to the compressor and condenser fan motor. When the contactor fails, the system may refuse to start, run continuously without shutting off, chatter audibly, or show visible signs of pitting and burning on the contact surfaces.

  • Specs: 3-Pole configuration | 24V AC coil | OEM Part Number HN53CD209 | Factory-matched contact ratings for Carrier ROA0300L2Y — verify amperage on your unit data plate before ordering
  • OEM vs Generic: This is a genuine Carrier OEM contactor, not an aftermarket substitute. OEM contacts meet exact factory arc-resistance and pull-in voltage specifications. Generic contactors often use lower-grade contact alloys, leading to premature pitting and coil failure under repeated cycling.
  • Install difficulty: 3/5 — Always shut off power at both the disconnect and the breaker panel before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and camera/phone to photograph wire positions before disconnecting. Discharge any capacitors in the vicinity before reaching into the unit.
  • Warranty: 1-year OEM manufacturer warranty. In stock and ships same business day from our warehouse.

Compatibility: Designed as a direct OEM replacement for Carrier model ROA0300L2Y. Always cross-reference the part number on your existing contactor label and confirm pole count, coil voltage, and amperage rating match your unit's data plate. Have questions about fitment? Our HVAC parts specialists verify compatibility before you order — ships same day.

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 $99
  • 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

Frequently Asked Questions

Does this Contactor fit my Carrier ROA0300L2Y?
Yes. This is the factory-specified OEM contactor for the Carrier ROA0300L2Y. 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 ROA0300L2Y?
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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Mike Rivera
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