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  Weathermatic SLW20 Commercial Wired On-Site Rain/Freeze Sensor
Weathermatic SLW20 - Commercial On Site Weather Station

Our Price: $195.16

Product Code: SLW20

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Weathermatic SLW20 On-Site Weather Station


Weathermatic Weather Stations work with Weathermatic Smartline Controllers. Weathermatic Weather Sensors moniter rain, freeze, temperture, and wind speed then it sends the information to the SMARTLINE Controller to auto adjust zone run times. Weathermatic Weather Stations are attachable by a mounting bracket or arm.







Weathermatic SLW20 On-Site Weather Station 360 degree product view

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Weathermatic SLW20 On-Site Weather Station Product Manuals


Weathermatic SLW20 On-Site Weather Station Features and Benefits

  • Microprocessor records and processes weather data for use in establishing Auto Adjust run times on any SmartLine controller
  • Rain shut-off settable from 1/8 - 1" (3 - 25mm)
  • Extended rain delay adds time to rain events before deficits begin to accumulate
  • Rain events decrement current deficits in the SmartLine controller
  • Freeze shut-off activated at 37 degrees F (3.0 degrees C)
  • Protective white solar shields allow normal air flow while protecting sensor from direct sunlight for accurate temperature readings and eliminating the need for regular cleaning and maintenance of the weather station
  • Unit can be mounted in sunlight or shade and in close proximity to the roofline
  • Maximum run distance for shielded cable wired units is 3000' (914m)
  • Maximum wireless distance from controller to weather station is 600' (182m). SLHUB-RF wireless hub included with SLW15. SmartLine controller firmware version 1.08 or later required.
  • On-board diagnostics indicate battery and communication status
  • Remote battery strength measurement from the SmartLine controller
  • SLW10 / SLW15: 5" (12.7cm) adjustable arm plastic bracket for gutter thumb-screw or wall mount; SLW20: Heavy-duty coated steel mounting bracket
  • SLW15: Operates on a bi-directional, spread spectrum 2.4 GHz frequency for superior range and reliability

Weathermatic SLW20 On-Site Weather Station Dimensions

SLW10 / SLW15:

  • 5 3/4" H x 3 3/4" D (14.6cm x 9.5cm)
  • 5" (12.7cm) angled mounting bracket


  • 9 1/2" H x 6" D (24cm x 15.3cm)
  • 17" (43cm) angled mounting bracket

Weathermatic SLW20 On-Site Weather Station Electrical Specifications

  • 9V alkaline battery
  • 2 AA lithium batteries in SLW15

Weathermatic SLW20 On-Site Weather Station

SLW On-Site Weather Stations

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