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Weathermatic Weathermatic SL4800 12 Station Expansion Module | SLM12
Weathermatic SLM12 SmartLine 12 Zone Expansion Module for SL4800

Our Price: $231.47
Sale Price: $141.98
You save $89.49!

Product Code: SLM12

Description Reviews
Weathermatic SLM12 - 12 Zone Expansion Module for Weathermatic SL4800

Weathermatic SLM12 - 12 Zone Expansion Module for Weathermatic SL4800

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12-Zone Module for PL4800 & SL4800 ONLY. Adds 12 stations to the Weathermatic PL4800 & SL4800 controller / timer.

Features & Benefits of the SL4800 Controller
  • 12-zone base model, expandable to 48 zones using SLM12 hot-swappable modules (Indoor/Outdoor rated)
  • Internal transformer with commercial terminal block, On/Off power switch and LED status indicator
  • 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
  • Monthly % adjust by program, for simple year round water budgeting
  • Input: 120 VAC/60 Hz @ 400 mA for 5 valves
  • Output: 28 VAC, 1.2A maximum
  • Fuse: 1.5A, slow blow
  • Dimensions: 15 in. W x 16-1/2 in. H x 5-7/16 in. D (38.1 cm x 41.9 cm x 13.8 cm)
Auto Adjust Features
  • ZIP Code input (5 digit) or Latitude input (+/-60 degrees from EQUATOR) establish location of site for solar radiation calculation
  • Sprinkler type input allows selection for zone sprinkler type (SPRAY, ROTOR, DRIP, BUBBLER) with preset precipitation rate or specific input of the zone precipitation rate (.2 - 3.0" per hour)
  • Plant type input allows selection for zone plant type (COOL TURF, WARM TURF, SHRUBS, ANNUALS, TREES, NATIVE) with preset crop factors or specific input of the zone crop factor (10 - 300%)
  • Soil type input allows selection for the soil type (CLAY, SAND, LOAM) and slope (0 - 25 degrees) for the purpose of automatically calculating a run/soak period to virtually eliminate run off
  • More/Less is settable by zone (-50% to +25%) for the purpose of fine tuning Auto Adjust run times to accommodate factors like shade, wind, and sprinkler inefficiencies
Advanced Functions
  • Fault review displays all faults, including open and shorted zones
  • On-board multi-meter displays transformer voltage; milliamp measurement for each zone
  • Built-in valve locator chatters the solenoids (U.S. Patent No. 7,406,363)
  • Review menu displays ET deficits by zone , and corresponding zone run times
  • Review menu displays maximum run time and minimum soak times
  • Review menu displays temperature readings (daily high/low) for previous 5 days
  • Review menu accumulates total run times by zone
  • Programmable rain delay of 1 - 7 days
  • SLW Weather Station extended rain delay programmable from 0 - 99 hours
  • Run/Soak cycles allow setting of maximum run time and minimum soak time by program for use in Standard mode only
  • Programmable zone-to-zone delay 1 min. - 3 hrs.
  • Programmable master valve timing sequence with "On Delay" (1 sec. - 1 min.; 2 sec. default) and "Off Delay" (1 sec. - 3 min.; 5 sec. default) to allow for line fill and slow-closing valves
  • Master valve/pump start operation assignable On/Off by zone
  • Clear program function to selectively delete an individual program
  • Clear all function to delete all programs
  • Backtrack stored program feature allows contractor to easily store a default program and retrieve the saved program in the event a customer improperly reprograms the SL4800

Weathermatic SmartLine Controller/Timer Models:

Weathermatic SmartLine Controller/Timer Accessories:

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Brand > Weathermatic
Design > Modular
Number of Stations > 2-4 Stations
Number of Stations > 6-8 Stations
Number of Stations > 9-12 Stations
Number of Stations > 15-18 Stations
Number of Stations > 20-48 Stations
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