OEM Carrier Run Capacitor for Heat Pump Condenser PH4ZNA036000AA

The run capacitor stores and releases electrical energy to keep your Carrier Performance heat pump's compressor and condenser fan motor running smoothly and efficiently. A dual run capacitor serves both motors at once — the HERM terminal feeds the compressor, FAN feeds the condenser fan, and a common C terminal ties them together — providing the phase shift these single-phase motors need to maintain torque. When a capacitor weakens or fails, homeowners notice an outdoor fan that hums but won't spin (or needs a push to start), a compressor that buzzes and trips the breaker, warm air from the vents, hard starting, or higher electric bills as the motors draw excess amperage. A bulged or leaking top is a sure sign of failure. This OEM dual run capacitor matches the exact microfarad (MFD/µF) and voltage ratings Carrier specified — typically a dual value such as 35+5 MFD at 440VAC — held to the tight OEM tolerance of ±5%. Both the MFD value and the voltage rating (370V vs 440V) must match your unit's data plate exactly. Why OEM matters: capacitance value is critical. Generic capacitors are commonly built to a loose ±10–15% tolerance with lower-temperature dielectric. A capacitor even slightly out of spec delivers the wrong phase shift, making motors run hot, stressing the compressor windings, and shortening motor life. An OEM ±5% capacitor protects your most expensive component — the compressor. Install difficulty: 2 of 5. Tools: 1/4" nut driver, insulated screwdriver, needle-nose pliers, and a multimeter with a capacitance setting; photograph the terminal wiring first. #1 safety warning: a capacitor holds a dangerous charge even after power is off — kill the breaker, then discharge the capacitor across its terminals with an insulated screwdriver before touching the leads. 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 PH4ZNA036000AA. 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.