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The dual run capacitor gives your Carrier package unit's compressor and condenser fan the phase shift they need to start and run efficiently. It stores and releases energy on every cycle, and as it ages it loses capacitance and eventually bulges, leaks, or fails outright. Homeowners notice a humming compressor that won't start, a condenser fan that sits still or needs a push to spin, hard starting and clicking, breakers tripping on startup, or weak cooling with a unit that overheats and short-cycles on its overload. This genuine Carrier dual run capacitor matches the factory MFD ratings for both the HERM (compressor) and FAN terminals at 370/440 VAC, held to OEM ±5% tolerance. Correct microfarad values on both legs are essential — they are sized to this unit's specific compressor and fan motor windings. Why OEM matters here: cheap aftermarket capacitors often run ±10–15% tolerance and drift further over time. The wrong MFD over- or under-energizes the compressor windings, causing excess heat, hard starting, and dramatically shortened compressor life. A genuine ±5% capacitor keeps both motors in their designed operating range. Install difficulty: 2 of 5. Tools needed: 1/4" and 5/16" nut driver, needle-nose pliers, insulated screwdriver, and a multimeter with capacitance setting. SAFETY: a charged capacitor can deliver a dangerous shock — after killing the breaker and disconnect, DISCHARGE the capacitor across its terminals with an insulated screwdriver before touching any leads. Photograph the wiring first; HERM, FAN, and C terminals must match exactly. 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.
This part is compatible with Carrier model PH13NR03000GAEAA. Always verify the part number against your unit's data plate before ordering.
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.
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.