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OEM Carrier Contactor 2-Pole 24V Coil for GC072CBLNDET1XX1
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for GC072CBLNDET1XX1

SKU: CARRIE-GC072CBLNDET1XX1-CONTACTOR-HN52TC040 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor HN52TC040 for Model GC072CBLNDET1XX1

This is the factory OEM replacement contactor for the Carrier GC072CBLNDET1XX1 commercial split-system unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat or control board and closes the circuit to send line voltage to the compressor and condenser fan motor. When the contactor fails — due to burned or pitted contacts, a stuck plunger, or a failed coil — the system will not respond to a cooling call, leaving you with a blower running but no cooling output.

  • Specs: OEM Part Number HN52TC040 | 2-Pole configuration | 24V control coil | Rated for high-voltage line power | Factory-matched contact material and coil resistance for reliable pull-in
  • OEM vs Generic: This OEM contactor uses factory-spec contact alloys and coil windings, ensuring proper pull-in voltage and long contact life. Generic aftermarket contactors frequently use lower-grade contact materials that pit faster under load, leading to repeat failures and potential compressor damage.
  • Install difficulty: 3/5 — Requires disconnecting line voltage at the disconnect box before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and a camera or phone to photograph wiring before removal. Transfer one wire at a time to avoid miswiring. Confirm coil voltage and pole count match before energizing.
  • Warranty: 1-year OEM factory warranty. In-stock units ship the same business day from our warehouse when ordered before cutoff.

Compatibility: Engineered specifically for the Carrier GC072CBLNDET1XX1 commercial split-system. Always verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you buy if you have any questions. Order today and get same-day shipping on this in-stock OEM part.

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

Frequently Asked Questions

Does this Contactor fit my Carrier GC072CBLNDET1XX1?
Yes. This is the factory-specified OEM contactor for the Carrier GC072CBLNDET1XX1. 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 GC072CBLNDET1XX1?
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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