Heat Pump Economizer; Item Economizer, 0 to 100 Percent Down Discharge; Mounting Type Horizontal; Used On Item Heat Pump; Used On Model/Brand 4024 to 4036, 4TCY5/4TCY4/4TCY3; Used On Item Part No 4WCC4024A1000A, 4WCC4030A1000A, 4WCC4036A1000A; Includes Rain Hood