OEM Carrier Flame Sensor for PG9MAB060100LBSA Gas Furnace Rod

The flame sensor is the single metal rod that sits in the burner flame and proves to the control board that ignition actually occurred. It works by flame rectification, converting the burning gas into a tiny DC microamp current. When it gets coated in oxide or carbon, or the rod itself weakens, that signal drops below the board's threshold and the furnace lights for a few seconds, then shuts the gas off. Homeowners on the PG9MAB060100LBSA typically notice short-cycling: the burners ignite, run 3-7 seconds, then die, followed by the inducer purging and trying again until the board locks out and stops producing heat. This is a single-rod rectification sensor with a high-temperature stainless/Kanthal alloy tip and a ceramic insulator base. A healthy unit produces roughly 1-6 microamps DC; most Carrier boards need a stable minimum of about 0.5-1.5 µA to keep the valve open. Rod length and bend angle are set so the flame fully envelops the tip. OEM matters here because the rod geometry and alloy are matched to this burner assembly. Generic sensors with the wrong length, bend, or a lower-grade tip sit partly outside the flame and generate a weak, erratic signal, causing nuisance lockouts that mimic a failed board or valve. Install difficulty: 2 of 5. Tools: 1/4" nut driver, fine emery cloth or steel wool to clean adjacent connections, and a multimeter capable of reading DC microamps to verify the new signal. #1 safety warning: shut off the gas and kill power at the breaker before reaching into the burner compartment. 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 PG9MAB060100LBSA. 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.