Weathermatic SLM4 Expansion Module
Best modular upgrade for homeowners expanding their smart irrigation zones.
This expansion module seamlessly adds four additional zones to compatible irrigation controllers. Designed for simple, hot-swappable installation, it allows for system growth without the need to replace existing hardware or reset complex programming.
$59.21
at
Sprinkler Warehouse
More SmartLine options
Who it's for
- Homeowners needing to expand their existing landscape irrigation coverage
- DIY enthusiasts seeking a quick and simple setup process
- Property owners in regions prone to frequent thunderstorms and surges
Who should skip it
- Users with irrigation controllers from different manufacturers
- Managers of expansive landscapes requiring dozens of new zones
- Maintenance workers operating in dusty or high-vibration environments
Performance breakdown
Installation Simplicity
Hot-swappable design makes adding zones nearly effortless for any user.
System Integration
Seamlessly expands existing controller capacity without complex wiring or resets.
Build Durability
Rugged, weather-rated enclosure handles indoor or outdoor environments with ease.
Compatibility Range
Limited strictly to specific Weathermatic controller models, restricting broader utility.
Expansion Capacity
Provides a reliable, straightforward boost for managing four additional irrigation zones.
Reliability
Consistent performance ensures watering schedules remain stable across all zones.
Key Specs
Station Expansion
4 zones
Compatibility
Weathermatic PL1600 and SL1600 Controllers
Warranty
2 years
Installation
Hot-swappable
Rating
Indoor/Outdoor
Know before you buy
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Ask Metto anything about the Weathermatic SLM4 Expansion Module before you decide.