OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The flame sensor is the safety component that confirms your burners have actually ignited. It is a single metal rod positioned directly in the burner flame, and it relies on flame rectification to send a small DC microamp current back to the control board as proof of combustion. As the rod accumulates a film of silica and oxidation, that signal drops and the board can no longer 'see' the flame. The result is a textbook fault: the furnace lights, the burners stay on for a few seconds, then the gas valve closes and the unit shuts down — over and over. You get little to no heat, and after several failed attempts the board enters hard lockout. This genuine Carrier OEM flame sensor is built with the correct rod length, bend, and insulator height for the PY2PNB series, so it sits properly in the flame and delivers a strong flame-current signal in the typical 1-6 microamp DC range. Proper flame immersion is what keeps that signal stable through a full heating season. Why OEM matters: aftermarket sensors are often the wrong length or bent to the wrong angle, leaving the rod at the cool edge of the flame where it reads weak. That marginal reading may work briefly, then nuisance lockouts creep back as the rod scales over. The OEM rod alloy resists oxidation and holds its signal far longer. Install difficulty: 2/5. Tools needed: 1/4" nut driver, fine emery cloth or 0000 steel wool, and a multimeter that reads DC microamps to confirm flame current. #1 safety warning: shut off the gas supply AND cut power at the furnace switch or breaker before removing the sensor. 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.
This part is compatible with Carrier model PY2PNB060115NB. Always verify the part number against your unit's data plate before ordering.
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.
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.