Control Valve BNT-85 Unique Horizontal valve body, high intension and pressurized structure, slim valve body, space saving. control valve BNT-85Unique Horizontal valve ... (Softener valve by meter, timer, meter delay, timer meter mix) BNT-851F (Softener valve by meter,timer, meter delay, timer meter ... ", 3/4", 1" Drain pipe: 1/2" Automatic Control Valve BNT-85