Manuals Brands Emerson Manuals Regulators and Relief Valves Type 122A Three-Way Switching Valve Emerson Type 122A Three-Way Switching Valve | Page 2 Emerson Regulators and Relief Valves - Type 122A Three-Way Switching Valve. 1234 Download Page of 4 Go 4.4, 1236 votes Preview coming soon. Download manual right now. PREVNEXT 1234