OEM Carrier Gas Furnace Flame Sensor Rod for PG92SBS66120DAAA

The flame sensor in your Carrier PG92 furnace is a single metal rod that sits in the burner flame and proves the burners actually lit. It works by flame rectification: the control board sends a small AC signal through the rod, and the ionized flame rectifies it into a tiny DC microamp current. If the board doesn't see that current, it shuts the gas valve within seconds as a safety measure. When the sensor is dirty, corroded, or failing, homeowners see the classic symptom — the furnace lights, runs for 3 to 7 seconds, then shuts off, and repeats this cycle several times before locking out with no heat. This sensor generates a flame-rectification signal typically in the 1–6 microamp (µA) range, with most boards needing roughly 0.5–1 µA minimum to hold the gas valve open. The rod is a high-temperature alloy positioned at a precise depth and angle so its tip stays inside the flame envelope, and it must read high resistance to ground (a low reading indicates a cracked insulator). OEM matters because the rod geometry and alloy are engineered for your burner. Generic rods often use lower-grade metal that oxidizes faster, so the signal weakens sooner and you're back to short-cycling within months. A rod of the wrong length or bend sits outside the flame, producing a weak signal and chronic nuisance lockouts. Install difficulty: 1 of 5. Tools needed: 1/4" nut driver, fine steel wool or emery cloth for cleaning, and a multimeter capable of reading microamps. Safety warning: kill the furnace power at the breaker before reaching near the burner assembly, and let the burners cool — the sensor sits in direct flame. Ships same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.

Compatibility

This part is compatible with Carrier model PG92SBS66120DAAA. Always verify the part number against your unit's data plate before ordering.

Why Choose OEM?

OEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.

Shipping & Returns

Same-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.