Hydro-Rain's HRC 100 series wireless sensors are designed to conserve water by turning off sprinklers when it rains. HRC 100 is also capable of suspending irrigation during periods freezing weather. No other major brand in the irrigation industry makes the freeze feature standard on every wireless rain sensor.

Features and Benefits

• Adjustable moisture activation—¹⁄8", ¼", ½", ¾", 1" rainfall settings for variable climates
• Hygroscopic discs—Absorb water to activate rain switch
• Reliable freeze sensor option—Shuts off timer when temperature drops to 37°F, protecting vegetation from the effects of freezing water
• Universal—For use with most brands of 24 Volt sprinkler timers
• Quick rain gutter mount—No tools required for mounting the sensor to a rain gutter
• Constant communication—Every 30 seconds a signal between the transmitter and receiver for accurate timed water metering
• Transmission range—Over 300 feet (91.4m) line of sight
• Manual bypass control—Allows for deactivation during sprinkler system maintenance
• Dry vent—Allows air to be circulated or dampened for fast or slow dry, effectively reducing time for the next watering cycle