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 Definite Purpose Contactor for Heat Pump PH1PNA024000ABBA
Carrier

OEM Carrier Definite Purpose Contactor for Heat Pump PH1PNA024000ABBA

SKU: CARRIE-PH1PNA024000ABBA-CONTACTOR-HN51KB024 Brand: Carrier
Guaranteed to fit PH1PNA024000ABBA — or your money back. Terms

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier Definite Purpose Contactor for Heat Pump PH1PNA024000ABBA

The contactor in your Carrier PH1PNA024000ABBA is the electrically operated switch that closes to send high-voltage power to the compressor and outdoor fan motor every time your thermostat calls. Because it makes and breaks current under load thousands of times a season, it is one of the most common failure points in any heat pump. When a contactor fails you'll typically hear a loud chatter or buzz at the outdoor unit, notice the fan and compressor refusing to start, see the contacts welded shut so the unit runs nonstop, or find pitted, burned terminals and a tripped breaker. This is a definite-purpose contactor matched to this chassis: correct pole configuration, a 24V coil, and contacts rated for the full-load and locked-rotor amperage this compressor and fan motor draw. The silver-alloy contact surface and proper FLA/LRA rating are what let it switch repeatedly without welding. OEM matters because cheap aftermarket contactors often use undersized or lower-grade contacts that pit and arc faster, develop high resistance, and overheat the wiring — shortening compressor life and causing the exact nuisance failures you're trying to fix. A correctly rated OEM contactor switches cleanly for years. Install difficulty: 2 of 5. Tools needed: 1/4" nut driver, insulated flat and Phillips screwdrivers, needle-nose pliers, and a multimeter to verify the 24V coil and contact continuity. Label your wires before removal. #1 safety warning: shut off the outdoor disconnect AND the breaker before touching the contactor — line-voltage terminals stay live even with the thermostat off. Ships same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.

Compatibility

This part is compatible with Carrier model PH1PNA024000ABBA. Always verify the part number against your unit's data plate before ordering.

Why Choose OEM?

OEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.

Shipping & Returns

Same-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.

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 Heat Pump PH1PNA024000ABBA?
Yes. This is the factory-specified OEM contactor for the Carrier Heat Pump PH1PNA024000ABBA. 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 Heat Pump PH1PNA024000ABBA?
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