OEM Carrier Flame Sensor Rod for Gas Furnace PG8MAA036070ADJA

The flame sensor is the small single rod that sits in the burner flame on your Carrier PG8MAA036070ADJA and confirms to the control board that the burners actually lit. It works by flame rectification — the lit flame passes a tiny DC microamp current the board reads as proof of fire. When the sensor is dirty, corroded, or cracked, that signal drops and the board shuts the gas valve within a few seconds for safety. The tell-tale symptom is a furnace that lights for 3–7 seconds and then dies, over and over, often finally locking out and blowing cold air. Homeowners usually describe it as 'it tries to start but won't stay running.' This is a genuine Carrier flame-sense rod with a stainless/Kanthal sensing element and the correct insulator and mounting bracket so it sits at the proper depth in the flame. A healthy sensor on this furnace reads roughly 1.5–6 microamps DC in series with the flame; below about 0.5 µA the board will drop out. Why OEM matters: a cheap sensor with the wrong rod length or alloy reads a weaker, noisier flame current, causing repeat lockouts even on a clean burner — and a poorly insulated rod can ground out entirely. The genuine part places the element exactly where the board expects it. Install difficulty: 1/5 — one of the easiest furnace repairs. Tools: 1/4" nut driver, fine emery cloth or steel wool to clean the rod, and a multimeter set to microamps to verify the reading. #1 safety warning: turn off both power and gas before removing; the sensor and burners stay hot after a cycle. 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 PG8MAA036070ADJA. 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.