Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
This OEM Carrier flame sensor is the factory-specified replacement part for the Carrier PY2PEB042060AB gas furnace. The flame sensor — also called a flame rod — is a critical safety component that detects the presence of a burner flame using an ionization/rectification signal. When the control board calls for heat and the burner ignites, the sensor passes a small electrical current through the flame to confirm combustion. If the sensor is coated with oxidation or has failed, the control board receives no signal and shuts off the gas valve — typically within 5 to 8 seconds of ignition — triggering a lockout. A furnace that lights briefly then goes cold is the classic symptom of a failed or dirty flame sensor.
Compatibility: Designed and factory-matched for Carrier model PY2PEB042060AB gas furnaces. Verify your unit's data plate lists OEM part number 48GS400192 before ordering. Need help confirming fitment? Our HVAC parts specialists verify compatibility before you order — contact us anytime. Order today for same-day shipping.