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The flame sensor is the small metal rod that proves a flame is actually present after your Carrier PY2PPB060115AB ignites. It works by flame rectification: the burner flame conducts a tiny microamp current from the rod to ground, telling the control board it is safe to keep the gas valve open. When the rod oxidizes or cracks, that signal drops and the board shuts the gas off for safety. The classic symptom is a furnace that lights for three to five seconds, then snuffs out and tries again — short-cycling on ignition, often three times before locking out and leaving the house cold. This is a single-rod silicon-steel sensor with a porcelain insulator and a 1/4" quick-connect terminal, sized to sit in the burner flame path of the PY2PPB060115AB. A healthy sensor should read roughly 2–6 microamps DC of flame current; anything under about 1 microamp will cause dropouts. OEM fit matters because the rod length and insulator position determine how deeply the tip sits in the flame. A generic sensor that is even slightly short or bent reads a weaker, unstable microamp signal, causing intermittent lockouts that mimic a bad board and lead to needless parts swapping. The genuine Carrier rod places the tip correctly the first time. Install difficulty: 1 of 5 — one of the easiest furnace repairs. Tools: 1/4" nut driver or 5/16" socket, fine emery cloth or steel wool, and a multimeter to verify microamps. #1 safety warning: turn off the furnace breaker AND the gas supply before removing the sensor near the burners. 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 PY2PPB060115AB. 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.