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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
  • Save 20%
    $62.95
    $50.50
    Weathermatic

    Weathermatic - SLM4 - Wm Smartline 4 Zone Module

    In Stock (15)

    4 Zone Expansion Module For SL1600 Timer SL1600 has Two Controllers In One; The “Basic” mode programs exactly like the conventional controllers u...

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    $62.95
    $50.50
    Save 20%
    In Stock (15)
  • Weathermatic - SLM2 - 2 Station Module
    Save 8%
    $36.70
    $33.65
    Weathermatic

    Weathermatic - SLM2 - Wm 2 Station Module

    10+ day delay

    Expansion Module 2 Zones For SL800 Controller and Timer SL800 has Two Controllers In One; The “Basic” mode programs exactly like the conventional...

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    $36.70
    $33.65
    Save 8%
    10+ day delay
  • Weathermatic - SLM12 - Smartline 12 Zone Module
    Save 17%
    $209.95
    $173.68
    Weathermatic

    Weathermatic - SLM12 - Smartline 12 Zone Module

    In Stock (3)

    Expansion Module 12 Zone For SL4800 Controller and Timer SLM12 has Two Controllers In One; The “Basic” mode programs exactly like the conventiona...

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    $209.95
    $173.68
    Save 17%
    In Stock (3)

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.