OEM Carrier Flame Sensor for PG9MAA060140ABKA Packaged Furnace

The flame sensor in your Carrier PG9MAA060140ABKA proves to the control board that a flame is actually present after the gas valve opens, using flame rectification to pass a tiny microamp current through the burner flame. When the sensor gets coated in oxide or carbon, that signal drops and the board shuts the gas off as a safety response. The classic symptom is a furnace that lights, runs for 3–7 seconds, then shuts down and tries again — short-cycling on ignition lockout, often ending in intermittent or no heat and a soft-lockout fault code on the board. A flame sensor is a single stainless or Kanthal rod mounted in the burner flame path. Healthy operation produces roughly 1.5–6 microamps DC of flame current measured in series; readings below about 0.5–1.0 µA usually mean a fouled or failing rod. Genuine Carrier sensors use the correct rod alloy and insulator rating so the signal stays stable across thousands of cycles. OEM matters because generic sensors often use thinner or lower-grade rod material that oxidizes faster and reads a weaker microamp signal, causing nuisance lockouts within months. A correctly specified OEM rod holds a strong, clean flame-rectification current and seats properly in the burner so it sits in the right part of the flame. Install difficulty: 1 of 5. Tools needed: 1/4-inch nut driver, multimeter capable of reading DC microamps, and fine emery cloth for inspection. #1 safety warning: turn off the gas supply and the furnace disconnect before servicing — never work on the burner assembly with gas live. 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 PG9MAA060140ABKA. 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.