Weathermatic SL-1600 Modular Controller (Indoor/Outdoor)

Product Name Price Qty
Weathermatic SL-1600 4 Station Controller (Indoor/Outdoor)
+ GST $235.51
Weathermatic SL-1600 8 Station Controller (Indoor/Outdoor)
+ GST $305.00
Weathermatic SL-1600 12 Station Controller (Indoor/Outdoor)
+ GST $375.00
Weathermatic SL-1600 16 Station Controller (Indoor/Outdoor)
+ GST $445.00
Weathermatic SL-1600 24 Station Controller (Indoor/Outdoor)
+ GST $1,176.36

Quick Overview



4-zone base model, expandable to 16 zones using SLM4 4-zone hot-swappable modules (Indoor/Outdoor rated) 
Internal 120VAC/230VAC transformer with plug and play pre-installed 6' line cord (removable for conduit-wired installations) 
Large backlit LCD display 
2 run modes: Standard mode runs user input zone run times; Auto Adjust mode requires SLW Series On-Site Weather Station to calculate weather based run times Rain/Freeze sensor bypass/active button displays sensor status with tricolor LEDs (red indicates sensor is prohibiting irrigation; orange indicates an extended rain delay; green indicates normal operation) 
4 programs: A, B, C; program D can operate concurrently 
8 start times per program 
Nonvolatile memory and real time clock/calendar to retain programs and current date and time – no battery required 
Zone run times from 1 min. to 9 hrs. 55 min. with operation countdown displayed in hours, minutes, and seconds 
Watering day selections of custom days of the week, odd/even, or interval days (1 – 30 days) • Omit settings: omit time of day window, omit day(s) of week, and omit up to 7 calendar dates 
Seasonal % adjust by program, by month for simple year round water budgeting (monthly percentages overidden in Auto Adjust mode)