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Rain Bird - WR2-RFC - Wireless Rain/Freeze Sensor & Timer Interface

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Original price $80.53
Current price $78.11


  • Wireless rain sensor shuts off irrigation when it rains
  • Freeze sensor shuts off irrigation when temperature drops below set point
  • Saves up to 35% on water usage
  • Intuitive, icon-driven interface for easy programming
  • Enhanced antenna array provides superior signal reliability that overcomes most line-of-sight obstructions
  • Simple battery replacement requiring no tools and no need to disassemble sensor
  • Easy to install self-leveling sensor bracket mounts to flat surfaces or rain gutters
  • Suitable for use with Rain Bird and competitor 24VAC irrigation controllers
  • Adjustable rainfall settings from 1/8 in to 1/2 in
  • Adjustable low temperature settings from 33°F to 41°F
  • NOTE: Not compatible with Rain Bird ESP-SMT, ESP-SMTe, SST600s or SST1200s smart controllers

Rain and rain/freeze sensors are becoming must have components for irrigation systems these days. Rain Bird designed the new WR2 wireless sensor to exceed the standard. With revolutionary features, this sensor saves time, improves system performance and enhances the contractors reputation as a water management expert.

Reliable signal transmission and other innovations deliver superior responsiveness to rainfall and cold temperatures, while user-friendly features cut installation and programming time in half. Choose your own rainfall set points and save up to 35% on water usage while promoting lush, beautiful landscapes.

Features and Benefits

  • LCD screen to see signal strength, set points, etc. at a glance
  • Signal strength indicators on sensor and LCD screen make determining sensor location a quick, one-person job
  • Versatile mounting bracket that easily attaches to walls, fences or gutters
  • Pair one sensor up to four controller interfaces for cost effective water management on commercial properties
  • Six rainfall set points on controller interface is more convenient than adjusting set points on a sensor
  • Quick shut-off suspends irrigation immediately during rain events without need for rainfall accumulation
  • Three adjustable low temperature points lets you adapt to environmental and solid conditions
  • Dual built-in antennas
  • Tool-free battery replacement saves time; eliminates risk of damaging sensor
  • Clearly shows level of signal strength and confirms signal reliability
  • Weather data updated every 45 seconds assures reliable performance; responsive to changing weather conditions
  • Overcomes most line-of-sight restrictions and makes it easier to choose a sensor location; improves overall reliability


  • Application: suitable for use with 24 VAC controllers (with or without pump start / master valve)
  • Electrical rating suitable for use with up to six 24 VAC 7VA solenoids plus an additional master valve or pump start that does not exceed 53VA
  • Controller Interface Wire: 30 (76 cm) length of #22 gauge (0.64 mm) UV resistant extension wire
  • UL, cUL, CE, C-Tick, and WEEE certifications
  • FCC approved spread spectrum 2 way radio transceivers with FCC Class B approvals
  • Signal transmission distance of 700 ft. Line of Sight
  • Battery life: four or more years under normal operating conditions
  • 6 KV surge / lighting protection

Superior Signal Reliability

Signal strength is displayed on the controller interface using familiar cell phone icons. Dual antennas safeguard the system from signal interference by radios, mobile phones, power lines, etc. The WR2 system overcomes most line-of-sight obstructions so you have freedom in locating the sensor. Weather data is updated every 45 seconds to ensure the most reliable communication between sensor and controller.


WR2 Controller Interface

  • Width: 3.1 in. (7.9 cm)
  • Length: 6.8 in. (17.2 cm)
  • Depth: 1.7 in. (4.3 cm)
  • Distance between Mounting Holes: 6.25 in. (15.9 cm)

WR2 Sensor Assembly

  • Sensor Length: 5.8 in. (14.7 cm)
  • Attachment Bracket Length: 4.6 in. (11.7 cm)
  • Distance between Mounting Holes: 4.25 in. (10.8 cm)
  • Horizontal displacement (bracket + fixed ball arm): 5.5 in. (14.0 cm)

Installs faster with a one-person crew

Rain Bird designed the WR2 so that one person can install it quickly and easily. Signal strength is displayed on both the sensor unit and the controller interface. The sensors innovative versatile mounting bracket quickly attaches securely to a gutter or any vertical surface, such as a fence or wall. Three quick steps, and youre on to your next job.





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