OEM Carrier Flame Sensor Rod for PG8MAA066135ADJA Gas Furnace

The flame sensor is a single metal rod that sits in the burner flame and proves to the control board that gas is actually burning. On the PG8MAA066135ADJA it works by flame rectification — a tiny microamp current flows through the flame to ground. When the rod oxidizes, coats with white silica scale, or its porcelain insulator cracks, the board can't confirm flame and shuts the gas valve within a few seconds for safety. The hallmark symptom is a furnace that lights normally, burns for 2–7 seconds, then snuffs out and tries again — short-cycling on ignition, often with a flame-failure lockout after three or four tries. Homeowners notice the burners flare then die and the house never warms. This OEM sensor uses the correct rod length, alloy, and insulator rating so it sits precisely in the flame envelope. A healthy circuit reads roughly 1–6 microamps DC; below about 0.5 µA the board drops the call. For flame sensors, OEM geometry is everything. A generic rod that's the wrong length or bend won't sit in the hottest part of the flame, so signal drifts low as it ages and triggers premature lockouts; cheaper insulators also leak current to ground when hot, mimicking a dirty sensor even when new. Install difficulty: 1/5. Tools: 1/4" nut driver and fine emery cloth to clean the new rod's contact tab. Safety: shut off the gas supply and kill power at the breaker before removing the sensor — and route the wire clear of the hot burner box on reassembly. 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 PG8MAA066135ADJA. 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.