Demand Style Defrost Control Board Kit

Demand Style Defrost Control Kit for UT 149-480(47-21517) or UT 149-600(47-21517-02)Heat Pump,Kit Includes:(1)Defrost Relay 47-21786-81,(1)Defrost Control Board 47-21517-88,(2)Ties,(1)Hose Clamp,(1)Screw(1)Instruction Sheet And Wiring Diagram,Weight:1 Pound 4Oz.(Made In Unknown) Mfg/Box.