OEM Carrier Single Run Capacitor 4 MFD 370V for Model PY1RPA048115AAWB

This OEM single run capacitor is the factory-specified replacement for the Carrier PY1RPA048115AAWB packaged unit's draft inducer motor circuit. Cross-referenced under part numbers HC30GB230, P291-0403, and P291-1503, this oval 4 MFD 370V capacitor provides the phase-shifted current that keeps the inducer motor running continuously during each heating cycle. When it fails, you'll typically see the draft inducer motor hum without spinning, fail to prove combustion airflow, or trigger a pressure switch lockout — all symptoms that shut down heating before ignition even begins.

• Specs: 4 MFD (microfarad) | 370V rated | Oval case | Single run configuration | 50/60 Hz | Factory-matched ±5% tolerance
• OEM vs Generic: This is the genuine Carrier/Totaline capacitor, tested to 60,000 service hours per United Technologies application parameters. Generic alternatives often carry wider tolerance ratings, which can accelerate inducer motor wear over time.
• Install difficulty: 2/5 — Discharge the old capacitor before touching terminals. Tools needed: 1/4" nut driver, needle-nose pliers, multimeter (capacitance mode). Always photograph wire positions before disconnecting. The inducer motor capacitor is typically mounted on or near the inducer housing bracket.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Directly fits Carrier model PY1RPA048115AAWB packaged units using the HC30GB230 draft inducer motor assembly. This capacitor is also referenced as P291-0403 and P291-1503 — all three part numbers confirm the same 4 MFD 370V oval specification. Verify the MFD and voltage rating on your existing capacitor's label before ordering. Our fitment team is available to confirm compatibility before you buy.