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Senior Member


Thursday, July 9th 2009, 6:53pm

Rainbird STPi-400 plus ESP-SM3 expansion modules??

Can I put two ESP-SM3 expansion modules onto a Rainbird STPi-44 controller? I need 9 zones. I think I can but the Sprinkler Wharehouse on line catologue doesn't have the expansion modules on the same page as this controller.


Senior Member


Thursday, July 9th 2009, 10:45pm

Or wait a second... maybe I should just get a STPi-900

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