It includes a switch bracket and wiring harness.
Empire FBBX Variable-Speed Blower with Temperature Switch for VFD26FP & FM Series Adding a variable speed blower like the FBB4 to your firebox to help circulate the warm air throughout the room..FeaturesWire extension kit for FBB4 variable-speed BlowerSuperior quality products When adding the FBB4 Variable Speed Blower to your Vail Firebox, the FBBX Blower Extension is required. Installation screws are not included.