OEM Carrier Flame Sensor (48GS400192) for Model PY3PNA060115AA Gas Furnace

This OEM Carrier flame sensor (part #48GS400192) is the factory-specified replacement for the Carrier PY3PNA060115AA gas furnace. The flame sensor is a critical safety component: after the hot surface igniter lights the burner, the sensor's rod detects the presence of flame via electrical rectification and signals the control board to keep the gas valve open. When the sensor fails — typically due to oxidation or carbon buildup on the rod — the furnace will light briefly, then shut down within 5–8 seconds, often triggering a lockout fault code. A new OEM sensor restores reliable flame detection and eliminates nuisance lockouts.

• Specs: 90-degree mounting bracket | Stainless steel sensing rod | Factory OEM dimensions (~4.9" L × 1.75" H) | Direct plug-in connector | Matches Carrier factory tolerance
• OEM vs Generic: This is a genuine Carrier OEM part — not an aftermarket substitute. OEM sensors are manufactured to exact rod length, insulator composition, and bracket angle specifications. Generic sensors can produce weak or inconsistent microamp readings, causing repeat nuisance shutdowns.
• Install difficulty: 2/5 — Turn off gas and power before servicing. Tools needed: 1/4" hex driver or nut driver, needle-nose pliers. Locate sensor on the burner assembly, disconnect the wire lead, remove the single mounting screw, swap in new sensor, and reconnect. Always verify the microamp signal (1.5–4 µA typical) with a multimeter after installation.
• Warranty: 1-year OEM factory warranty against manufacturing defects. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Engineered specifically for the Carrier PY3PNA060115AA packaged gas furnace. Verify your unit's data plate and existing sensor bracket angle (90°) before ordering. Not sure it fits? Our HVAC parts specialists will confirm fitment before your order ships — call or chat today.