
Bosch BIVB-48RCB-M20X 4-ton (48,000 BTU) multi-position inverter ducted air handler on the Bosch IDS 2.0 (BIVA/BIVB) R-454B split-system platform; up to 20 SEER2 when matched with the correct outdoor unit. Painted-steel insulated cabinet, all-aluminum coil, factory TXV; installs upflow, downflow or horizontal.