Enhanced Fan Blower Control: This upgraded PCBFM103S circuit board introduces a precise time delay feature, ensuring optimal operation of your furnace's fan blower. It's designed to improve the efficiency and longevity of your heating system by regulating the fan speeds more effectively. Broad Compatibility: Perfectly replaces parts for Goodman, for Amana, and for Janitrol furnaces. Compatible models include for Goodman GPC1324H21A series and more, ensuring a wide range of applications and seamless integration with existing systems. Extensive Replacement Range: This board replaces multiple part numbers such as 1005-83-1724, SST-B, PCBFM103, and B1370735S, making it a versatile choice for repairing various furnace models. Designed for Specific Goodman Models: Tailored to fit specific for Goodman models like GPC1324H21A, GPC1330H21A, and others, ensuring a perfect fit and function without the need for modifications. This targeted design helps streamline the installation process and restores your furnace to optimal working condition quickly. Also Fits for Lennox and Daikin Units: Not limited to for Goodman, this control board is also compatible with select for Lennox models such as GPH1324H21A and Daikin models including AR18-1, AR24-1, ensuring a broad application range for various popular furnace brands and models. (The product appearance and printed words may vary depending on the batch, but this does not affect use) Color: As Shown Material: plastic+metal Package Contents: 1 x PCBFM103S Control Circuit Board 1 x 3 amp furnace fuse 4 x insulation standoffs