Same-day shipping before 3PM CST · 35,000+ OEM Parts · Texas CMBL & SAM.gov Registered · Government POs Accepted

Menu

Home Shop All Account Cart
OEM Carrier Contactor 2-Pole 24V Coil for C4850C48Z6105110
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C4850C48Z6105110

SKU: CARRIE-C4850C48Z6105110-CONTACTOR-HN53CB115 Brand: Carrier

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil for Model C4850C48Z6105110

This OEM replacement contactor is the factory-specified high-voltage relay for the Carrier C4850C48Z6105110 packaged unit. The contactor acts as the main electrical switch between your thermostat's 24V control signal and the high-voltage power supplied to the compressor and condenser fan motor. When the contactor fails, the most common symptom is an air conditioner that simply won't turn on — the thermostat calls for cooling, the control board responds, but no power reaches the load side. Pitted, burned, or welded contact points are the typical cause, often visible on inspection. Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120.

  • Specs: 2-Pole configuration | 24V AC coil voltage | Factory-rated amperage for Carrier C4850C48Z6105110 | Direct drop-in replacement with matched terminal layout
  • OEM vs Generic: OEM contactors use silver-alloy contact points rated for the exact inrush current of your compressor. Generic contactors often use lower-grade contacts that pit faster under high-load switching, leading to premature failure within one to two seasons.
  • Install difficulty: 2/5 — Disconnect power at the disconnect box and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor to ensure correct reinstallation.
  • Warranty: 1-year OEM factory warranty. Orders placed before cut-off ship same business day from our climate-controlled warehouse.

Compatibility: Engineered specifically for the Carrier C4850C48Z6105110 packaged unit. This contactor supersedes and replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120 — all three are confirmed fits. Always verify coil voltage and pole configuration against your unit's wiring diagram before installation. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you order — call or chat today. In stock and ships today.

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 C4850C48Z6105110?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C48Z6105110. 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 C4850C48Z6105110?
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.
Home Shop Search Account Cart
Fitment Guaranteed
MR
Mike Rivera
HVAC Parts Specialist — Online