The Source - RCO860009 - Add-A-Zone SWG-914F Housing is high temperature impact

Housing is high temperature impact resistant ABS composite

Quality construction with durable schedule 40 PVC fittings

Co-molded wiper seal and heavy-duty spring

Its 13-1/2-inch by 19-3/4-inch shape is sized for compatible MC-3210

The Source - RCO860009 - Add-A-Zone SWG-914F Housing is high temperature impactTwo Valves on Only One Wire: Let Add A Zone Solve Your Irrigation Problems Work around broken zone wires. Add a new zone without adding new wiring. Add A Zone is the proven way to independently control two zone valves with only one pair of field wires. Unlike other "switching" units, the Add A Zone behaves just like the valves are fully independent. A patented unit installed at the controller allows use of two separate zones, while sending the signal