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Weathermatic SLM Modules

  • Compatible with SmartLink
  • Connections for up to 3 different 2-wire paths for maximum installation flexibility
  • Maximum of 48 Zones plus Master Valve
  • Hot-swappable installation
  • 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%
    $98.20
    $73.65
    Weathermatic

    Weathermatic SmartLine SLM4 4-Zone Expansion Module

    In Stock (35)

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

    View full details
    $98.20
    $73.65
    Save 25%
    In Stock (35)

SLM Smart Line Modules

Discover our Smart Line SLM Weathermatic Modules. Controls 2-48 zones!

Smart Line Modules
Choose from the best of Weathermatic's Smart Line modules that will best fit your need.