Rain-Bird - 3 Station ESP Timer Expansion Module ESP-SM3

The Rain Bird-ESPSM3, 3-Station Expansion Module easily expand your Rain Bird ESP-Modular, ESP-Me, or ESP-SMT. Series Controller with this 3 station hot-swappable module, which can be added without powering down the controller. The modules can be installed in any available slot and help you have better control of your residential to light commercial irrigation jobs. The Rain Bird ESPSM3, 3-Station Expansion Module is compatible with the following irrigation controllers: Rain Bird ESP-4Me , Rain Bird ESPMT