OEM Carrier Dual Run Capacitor for PH12NA030000ACAA Heat Pump

The run capacitor gives the compressor and condenser fan motor in your Carrier PH12NA030000ACAA the phase shift they need to start and run efficiently. It's a dual capacitor — one section for the compressor (HERM) and one for the fan (FAN) — storing and releasing energy on every cycle. When a capacitor weakens, you'll hear the compressor or fan humming but struggling to start, notice the outdoor fan spinning slowly or only after a push, see the breaker trip, or get warm air and short-cycling. A bulged, domed, or leaking can top is a dead giveaway. This is a dual run capacitor; verify the printed rating on your old can before ordering — common Carrier values are around 40+5 MFD at 440VAC, but the exact microfarad and voltage are stamped on the original. OEM capacitors are built to a tight ±5% tolerance and rated for continuous 440V duty at high ambient temperatures. Why OEM matters here: capacitance is everything for a cap. Generic units often carry a loose ±10–15% tolerance, so a cap that reads in spec on day one can drift out of range fast. The wrong MFD stresses the compressor start and run windings, drawing extra amperage, running hot, and shortening the life of the most expensive part in the system. Correct MFD and a true 440V rating protect the compressor. Install difficulty: 2 of 5. Tools: 1/4" nut driver, needle-nose pliers, an insulated screwdriver, and a multimeter with a capacitance test. #1 safety warning: a capacitor holds a dangerous charge even with power off — discharge it across the terminals with an insulated screwdriver or resistor before disconnecting any wires, and photograph the HERM/FAN/C wiring first. 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 PH12NA030000ACAA. 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.