OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
The flame sensor is the small metal rod that proves your Carrier PY3PEA060115AB has actually lit. Using flame rectification, it passes a tiny microamp current through the flame to tell the control board the burners are burning. When it gets coated in oxide or carbon, the board can no longer 'see' the flame and shuts the gas off as a safety measure, so the classic symptom is a furnace that lights for a few seconds then shuts down, repeating two or three times before locking out. Homeowners describe intermittent heat, the burners flashing on then off, and a furnace that works after cleaning but fails again weeks later. The sensor is a single sensing rod with a ceramic insulator and a spade terminal. A healthy unit reads continuity to its tip and, in operation, generates roughly 1-6 microamps DC of flame current; below about 0.5 microamps the board will lock out. It is a non-powered sensing rod, not an igniter, and is positioned directly in the path of the burner flame. Why OEM matters: an exact-fit Carrier sensor has the correct rod length, bend, and mounting so the tip sits properly in the flame envelope. Generic rods that sit too high or too short produce a weak, unstable microamp signal and nuisance lockouts even when clean. With flame sensing, correct geometry is everything. Installation difficulty: 1 of 5, one of the easiest furnace repairs. Tools: a 1/4-inch nut driver and fine emery cloth or a non-abrasive pad to clean the rod. THE #1 SAFETY RULE: turn off the gas and the breaker before removing the sensor, and never sand the rod with heavy grit, which strips the protective coating. 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 PY3PEA060115AB. 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.