Project Description

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Converts any SmartLine controller into an ET-Based water-saving controller that adjusts watering times 365 days a year.

Rain/Freeze Sensors

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Wireless Rain/Freeze Sensor

420GLS

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Rain Sensor

420LS

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Rain/Freeze Sensor

RFS5

  • Rain shut-off settable from 1⁄8 – 1” (3 – 25mm)
  • Extended rain delay adds time to rain events before deficits begin to accumulate
  • Freeze shut-off activated at 37°F (3.0°C) Unit can be mounted in sunlight or shade and in close proximity to
    the roof-line
  • On-board diagnostics indicate battery and communication status
  • Remote battery strength measurement from the SmartLine or ProLine® controller
  • Adjustable arm plastic bracket for gutter thumb-screw or wall mount
  • Operates on 900MHz frequency for superior range and reliability
  • Maximum wireless distance from controller to weather station is 1500’ (457m) line of site. SLHUB-RF-5 wireless hub included with SLW5

420GLS/420LS

  • Rain shut-off settable from 1⁄8– 1” (3 – 25mm)
  • Tough UV-Stabilized plastic housing
  • Replaceable absorptive disks
  • No-Rust extruded aluminum bracket – mounts anywhere
  • UL-listed watertight switch provides years of reliable service
  • Works with virtually all 24VAC controllers
  • Each unit factory tested
  • 35 feet of cable provided

420LS adds:

  • Extra-long 7” aluminum bracket
  • Factory-set freeze thermostat
RFS5

Wireless Rain/Freeze Sensor
420LS

Wired Rain/Freeze Sensor
420LS

Wired Rain Sensor

How To Specify


RFS5 Specification
click to enlarge

420GLS/420LS Specification
click to enlarge

Help & Support