Product Description
. . . . . Johnson Controls R48BBN-1 Load Sequence Economizer, Master Controller, 4 Stage Isolated 24 VAC Required. Johnson Controls. Johnson Controls. R48BBN-1.
. . . . . Johnson Controls R48BBN-1 Load Sequence Economizer, Master Controller, 4 Stage Isolated 24 VAC Required. Johnson Controls. Johnson Controls. R48BBN-1.