OpenSprinkler Zone Expander


OpenSprinkler Zone Expander provides an easy and inexpensive way to increase the number of stations for your OpenSprinkler. Each expander adds 16 zones.

NOTE: please choose the correct version. If you have OpenSprinkler 2.x or OpenSprinkler Pi, you must choose Expander 2.1. If you have OpenSprinkler 3.0 (built-in WiFi), you must choose Expander 3.0. Choose AC or DC depending on your main controller (AC controller has an orange terminal block; DC controller has a black-colored power barrel; you can also find out the power version when you reboot the controller, or check the ‘About’ page in the mobile app or web interface). OpenSprinkler Pi (OSPi) must use Expander 2.1 AC.

EU (particular German) customers: please check this page for our EU distributor.

Volume discount available (see below for details).

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