OEM Carrier Flame Sensor (48GS400192) for Model PY3GNA036060AB

This is the genuine OEM Carrier flame sensor, part number 48GS400192, factory-specified for the Carrier PY3GNA036060AB gas furnace. The flame sensor is a critical safety component: once the burner ignites, the sensor uses ionization/rectification technology to detect the presence of a flame and send a confirming signal back to the control board. If the board does not receive that signal within the trial-for-ignition window, it immediately cuts gas flow and locks out the furnace. A failed or carbon-fouled flame sensor is one of the most common causes of a furnace that lights briefly and then shuts off after just 5–8 seconds — often triggering a fault code and requiring a manual reset.

• Specs: 90-degree flame rod with mounting bracket | OEM part #48GS400192 | Approximate rod length 1.6" | Overall dimensions approx. 4.9" × 1.75" | Factory-matched signal tolerance for Carrier control boards
• OEM vs Generic: This OEM sensor is built to Carrier's exact electrical and dimensional specifications. Generic sensors may have mismatched rod geometry or signal thresholds, leading to nuisance lockouts or failure to detect flame reliably — a critical safety risk in any gas appliance.
• Install Difficulty: 2/5 — Shut off gas and power before beginning. Tools needed: 1/4" hex driver or nut driver, needle-nose pliers, and a soft wire brush or fine steel wool to clean the burner bracket mounting surface. Always disconnect the wire lead before removing the old sensor. Photograph wiring orientation before disconnecting.
• Warranty: 1-year OEM manufacturer warranty against defects. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Designed for the Carrier PY3GNA036060AB gas furnace. If your furnace ignites, runs for a few seconds, then shuts down and flashes a fault code, this part is the most likely culprit. Verify your unit's model and data plate before ordering, or contact our team — we confirm fitment before every order ships.