Specification Brand : MIFADLE BulletPoint1 : This 025-37499-000(it just a replacement) Gas Furnace Flame Sensor replaces the following part number: S1-025-37499-000, 025-37499-000, ACS90453BXA, ACS90703BXA, ACS90704CXA, ACS90904CXA, ACS90905DXA, ACS91155DXA, P1257001F, P1257002F, P1257003F, P1257004F, P1257005F, P1257007F, P1257008F, P1257009F, P1257010F, And compatible for Luxaire York Gas Furnace BulletPoint2 : The flame sensor senses the furnace flame to ensure that ignition has occurred. It then monitors the flame until the furnace is shut down. If combustion is interrupted for any reason, the sensor will lose its signal and close the gas valve BulletPoint3 : It is made of high-quality and wear-resists meta and ceramics, and has been well tested by the manufacturer - ensuring lasting and effective performance BulletPoint4 : Easy to Install, just remove the old and bad ones and install a new flame sensor BulletPoint5 : If you have any problems please kindly contact us,and we will do our best to assist you Color : One Color ExternallyAssignedProductIdentifier : 5028890701406 ItemName : MIFADLE Upgraded 025-37499-000 Gas Furnace Flame Sensor Replacement for York Luxaire Coleman Gas Furnace Fits FC9S080C20UP11, FC9S080C20UP11A, FC9S080C20UP11B(2 Pack) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-furnace-accessories Manufacturer : MIFADLE ModelName : YDYDY ModelNumber : YDYDY NumberOfItems : 2 PartNumber : P1257008F, P1257009F ProductDescription : Flame controller sensor R4343D1017 ProductSiteLaunchDate : 2025-04-03T02:11:47.004Z Size : One Size UnitCount : 2 UnspscCode : 46191500