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 for PH14NB030000AAAA Heat Pump Condenser
Carrier

OEM Carrier Contactor for PH14NB030000AAAA Heat Pump Condenser

SKU: CARRIE-PH14NB030000AAAA-CONTACTOR-HN51KC024 Brand: Carrier
Guaranteed to fit — 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 Contactor for PH14NB030000AAAA Heat Pump Condenser

The contactor is the high-voltage relay that switches power to the compressor and outdoor fan motor in your Carrier PH14NB030000AAAA heat pump. When the thermostat calls for conditioning, a 24V control signal energizes the coil and pulls the contacts closed, delivering 240V to the outdoor unit; releasing the call opens the contacts and stops the unit. As the component that makes and breaks the system's largest electrical loads thousands of times each season, it is one of the most common parts to wear out. Signs of failure include an outdoor unit that stays silent while the indoor blower runs, a loud hum or buzz at the contactor, contacts welded closed so the unit runs nonstop, and visibly burnt or pitted contact points. Debris or insects under the contacts can likewise cause an abrupt no-start. This is a definite-purpose contactor sized for the PH14 2.5-ton platform — typically a 1- or 2-pole device rated around 30 FLA with a 24VAC coil. Matching pole count and amperage to the original is essential to safely carry the compressor's locked-rotor amperage. Genuine Carrier OEM contactors use silver-alloy contacts and properly rated coils built for the constant switching of a year-round heat pump. Generic units often cut costs with undersized contacts that pit and weld faster and weaker coils that burn out — causing repeat failures and, when contacts weld, a compressor that cannot shut off. Install difficulty: 2/5. Tools needed: 1/4" nut driver, insulated screwdriver, multimeter, and a wiring photo before removal. #1 safety warning: KILL THE BREAKER to the outdoor unit before touching the contactor — the line-side terminals stay at 240V even with the system 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 PH14NB030000AAAA. 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 PH14NB030000AAAA Heat Pump Condenser?
Yes. This is the factory-specified OEM contactor for the Carrier PH14NB030000AAAA Heat Pump Condenser. 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 PH14NB030000AAAA Heat Pump Condenser?
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