The Taco ZVC406-EXP-2 is a 6-zone expandable zone valve control that works with 2, 3, or 4-wire zone valves.It is fully fuse protected and has two isolated end switches and a built-in priority switch.The ZVC406-EXP-2 has an easy-to-read PC board layout that eliminates problems with incorrect wiring.It also has external indicator lights that provide instant diagnostic feedback to reduce installation time and troubleshooting.The ZVC406-EXP-2 is 3 inches long, 12-1/4 inches wide, and 8 inches high.It is made from a printed circuit board and is mounted with a screw connection.
