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Weathermatic SLM Modules and SmartLine Expansion Modules

SmartLine expansion modules from Weathermatic add flexible 2-48 zone control to compatible controllers. These hot-swappable SLM modules support SmartLink connections and master valve control, simplifying installation and system expansion for residential and commercial irrigation.

  • Side angle of SLM4 expansion module illustrating the slide-in guide rails, plug connector, and durable weather-resistant housing.
    Front view of Weathermatic SLM4 SmartLine 4-zone expansion module showing label, connector pins, and mounting tabs for SL1600 controllers. Save 25%
    $103.33
    $77.50
    Weathermatic

    Weathermatic SmartLine SLM4 4-Zone Expansion Module

    In Stock (28)

    The Weathermatic SmartLine SLM4 is a 4-zone expansion module that increases the station capacity of compatible SmartLine controllers. Engineered fo...

    View full details
    $103.33
    $77.50
    Save 25%
    In Stock (28)

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