OEM Carrier Flame Sensor 50HJ401431 for Model PY1REA090125ACWA

This OEM flame sensor (part number 50HJ401431) is the factory-specified replacement for the Carrier PY1REA090125ACWA packaged gas unit. The flame sensor — also called a flame rod — is a safety device that detects the presence of a burner flame by passing a small microamp current through the flame to ground. When the sensor's rod becomes coated with oxidation or carbon buildup, the control board can no longer confirm ignition and shuts the burner down as a safety measure, typically within 5–8 seconds of startup. Replacing this sensor with a genuine OEM part restores factory-calibrated signal strength and prevents nuisance lockouts.

• Specs: OEM part number 50HJ401431 | Factory flame rod assembly | Direct plug-in connector | Calibrated for Carrier IFC control board microamp threshold
• OEM vs Generic: This is a genuine Carrier OEM flame sensor, manufactured to exact factory tolerances. Generic aftermarket sensors can have inconsistent rod coatings and connector fits, causing intermittent or repeated lockout faults even after cleaning.
• Install Difficulty: 2/5 — Disconnect power and shut off gas before servicing. Tools needed: 1/4" hex driver, needle-nose pliers, multimeter (microamp mode to verify signal after install). Always confirm microamp reading is within board specification (typically 1.5–4 µA) before closing the unit.
• Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Engineered specifically for the Carrier PY1REA090125ACWA packaged gas/electric unit. Always cross-reference the part number on your existing sensor and verify model data plate before ordering. Our fitment team is available to confirm compatibility before you buy — same-day shipping on all in-stock orders.