OEM Carrier Gas Furnace Flame Sensor Rod for PG9MXA060120AASA

The flame sensor is a single metal rod that sits in the burner flame and confirms to the control board that gas is actually burning. It works by flame rectification — the flame conducts a tiny microamp current the board measures. As the rod oxidizes and builds up a silica/carbon coating over time, that signal weakens until the board can no longer prove flame and shuts the gas valve as a safety response. The classic symptom is a furnace that lights for a few seconds, then snuffs out and tries again — short-cycling on ignition, intermittent heat that gets worse as the coating builds, and eventually a hard lockout. This is the flame sensor rod for the PG9MXA060120AASA furnace. A healthy sensor delivers a flame-rectification current in the microamp range — typically 2–6 µA for Carrier boards, with anything under roughly 1 µA causing dropout. The OEM rod uses a high-temperature alloy and the correct insulator and rod geometry so it sits at the proper depth in the flame for a stable signal. OEM matters because rod position and metallurgy directly determine signal strength. A generic sensor with a different rod length or alloy can read a borderline microamp current that works on a clean burner but drops out the moment any coating forms, producing maddening intermittent lockouts. The OEM part restores the full signal margin the board expects. Install difficulty: 1 of 5. Tools: 1/4" nut driver and fine emery cloth (a multimeter set to DC microamps helps verify the signal). #1 safety warning: shut off power at the breaker and the gas supply before reaching into the burner area, and handle the ceramic insulator gently — it cracks easily. 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 PG9MXA060120AASA. 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.