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The Bard 8554-025BX flame sensor is an OEM .114 inch Kanthol rod sensor used in Bard gas heat wall mount HVAC equipment to prove burner flame during ignition. When the control board does not detect proper flame signal, it will shut the gas valve for safety, so replacing a weak or contaminated sensor can resolve nuisance lockouts, short cycling on heat calls, and no heat complaints. This boxed Bard replacement is built to Bard fit and performance expectations and is intended to restore reliable flame sensing in compatible Bard heating sections; verify your unit model and parts list to confirm correct application before ordering.
* Orders less than $50 may incure a minimum order fee.
Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.
A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.
Example: 8406-142BX is physically identical to 8406-142.