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 PH1ZNA024000ADAA Heat Pump Condenser
Carrier

OEM Carrier Contactor for PH1ZNA024000ADAA Heat Pump Condenser

SKU: CARRIE-PH1ZNA024000ADAA-CONTACTOR-HN51KB024 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 PH1ZNA024000ADAA Heat Pump Condenser

The contactor is the high-current relay that switches line voltage to the compressor and outdoor fan motor on your Carrier PH1ZNA024000ADAA. When the thermostat calls, the 24V coil pulls the contacts closed and energizes the condensing unit. Worn, pitted, or welded contacts are one of the most common outdoor-unit failures: homeowners report a humming or chattering outdoor unit, a fan that spins but no cool air, a compressor that won't engage, or an outdoor unit that runs continuously because the contacts have fused shut. This is a definite-purpose contactor matched to the PH1Z platform — verify pole count (typically 1 or 2 pole) and contact amp rating (commonly 30–40 FLA) against your existing part, with a 24V coil to match the control transformer. OEM contacts use a heavier silver-alloy facing sized to the compressor's locked-rotor inrush current. Why OEM matters here: generic contactors frequently use undersized or lower-grade contact material that pits and arcs faster under the compressor's inrush load, leading to voltage drop, contact welding, and premature compressor stress. The right contactor handles the surge cleanly for years; an undersized one can fail in a single season. Install difficulty: 2 of 5. Tools: 1/4" and 5/16" nut drivers, needle-nose pliers, a multimeter, and a phone photo of the wiring before you start. SAFETY: pull the outdoor disconnect AND shut the indoor breaker — the line-voltage terminals stay live even with the thermostat off, and a charged run capacitor nearby can hold a lethal charge. 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 PH1ZNA024000ADAA. 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 PH1ZNA024000ADAA Heat Pump Condenser?
Yes. This is the factory-specified OEM contactor for the Carrier PH1ZNA024000ADAA 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 PH1ZNA024000ADAA 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