The three-station module for ESP Controllers easily upgrades a 4station base model to 13 stations with the addition of this 3station hot-swappable module at installation or in the future, which can be added without powering down the controller. The unit can be installed in any available slot.

It's 5-year lithium battery and nonvolatile memory keep dates, times, and program schedules up to date even with interruptions like a power outage. Its surge protection is unbeatable, withstanding nearly 3 times higher electrical surges than competitive controllers. The module also fuels and uses a state of the art diagnostic circuit breaker to identify a station with valve or wiring problems while continuing to water operable stations.

• Adds three additional stations to Rain Bird residential modular controllers
• Hot-swappable 3-station expansion module can be installed without powering down the controller
• Compatible with Rain Bird ESP-M, ESP-Me, ESP-SMT and ESP-SMTe series irrigation controllers
• Can be installed in any available slot

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