OEM Carrier Single Run Capacitor 4 MFD 370V for Model PY1RPA072074ACWA

This OEM single run capacitor is the factory-specified replacement for the Carrier PY1RPA072074ACWA packaged unit. Rated at 4 MFD / 370V in an oval case, it powers the draft inducer motor's permanent split capacitor (PSC) circuit — storing and releasing the precise electrical charge needed to keep the inducer spinning at the correct speed. When this capacitor weakens or fails, the draft inducer motor may hum without turning, run sluggishly, overheat, or trip on thermal overload, resulting in a no-heat lockout condition. Cross-referenced OEM part numbers include HC30GB230 (Draft Inducer Motor w/ Capacitor kit), P291-0403, and P291-1003 (Totaline/Carrier single run capacitors).

• Specs: 4 MFD (microfarad) | 370V rated | Oval case | ±5% factory tolerance | 50/60 Hz | Rated to 60,000 service hours
• OEM vs Generic: OEM capacitors are manufactured to exact United Technologies/Carrier specifications with 100% electrical pre-testing and a UL-approved pressure-sensitive interrupter. Generic units often ship with loose tolerances, reducing inducer motor lifespan and risking nuisance lockouts.
• Install difficulty: 2/5 — Discharge any residual voltage before handling. Disconnect power at the breaker. Tools needed: flathead screwdriver, needle-nose pliers, multimeter (capacitance mode). Always photograph original wiring before disconnecting terminals. Confirm polarity is not required for non-polarized run capacitors.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before 3 PM local time.

Compatibility: Designed for the Carrier PY1RPA072074ACWA packaged unit draft inducer motor circuit. Verify the 4 MFD and 370V ratings against your unit's data plate before ordering. Not sure if this is the right part? Our HVAC parts specialists verify fitment before you buy — contact us for fast confirmation.