OEM Carrier Gas Furnace Flame Sensor Rod for PG9MAA060140ADKA

The flame sensor is a single metal rod that proves your Carrier PG9MAA burners actually lit. It works by flame rectification — the lit flame conducts a tiny DC current from the rod to ground, telling the control board that fire is present. If the board does not see that current within a few seconds of the gas valve opening, it shuts the gas off for safety. The classic symptom is a furnace that lights normally, runs for 3 to 7 seconds, then shuts down and tries again, short-cycling until it locks out. The usual cause is oxide or carbon buildup on the rod, but cracked ceramic insulators and burned-through rods fail outright. Specs: This is a single-rod flame sensor with a heat-resistant alloy rod and a ceramic insulator. The flame current it produces is measured in microamps — a healthy signal is typically in the 1 to 5 µA range, and most boards drop out below roughly 0.5 to 1 µA. Rod length and position in the flame envelope are set for this burner assembly. OEM vs Generic: Signal strength depends entirely on the rod sitting correctly in the flame. A generic sensor with the wrong length or bend produces a weak microamp signal that drops out as the rod ages, and lower-grade alloys oxidize faster, shortening service life. OEM geometry and alloy hold a strong, stable signal far longer. Install: Difficulty 1/5. Tools: 1/4-inch nut driver, fine emery cloth or steel wool to clean the mating surface, and a multimeter that reads microamps. SAFETY: Turn off the gas and kill power before removing the rod. 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 PG9MAA060140ADKA. 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.