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Controller Expansion Modules


Expansion modules are designed to make using and expanding your modular controller as simple and straight forward as possible. By incorporating features such as built-in surge protection, ultra-durable construction, and hot-swappable installation, they are designed and built to perform dependably for a lifetime of use. Modules are specific to the brand and model of the controller.

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  1. Weathermatic SL1600 4 Station Expansion Module | SLM4
    Weathermatic SL1600 4 Station Expansion Module | SLM4
    100%
    On-Sale $46.95 List Price $80.35
    SKU: SLM4
  2. Weathermatic PL4800 & SL4800 Controller Expansion Module | SLM12-4800
    Weathermatic PL4800 and SL4800 Controller Expansion Module | SLM12-4800
    On-Sale $148.95 List Price $229.68
    SKU: SLM12-4800
  3. Weathermatic SL800 2 Station Expansion Module | SLM2
    Weathermatic SL800 2 Station Expansion Module | SLM2
    On-Sale $26.95 List Price $46.85
    SKU: SLM2
  4. K-Rain Pro EX 2.0 4 Station Expansion Module | 3205
    K-Rain Pro EX 2.0 4 Station Expansion Module | 3205
    On-Sale $28.25 List Price $47.24
    SKU: 3205
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