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Hunter ET System Sensor and ET System Module

Hunter ET System Sensor and ET System Module
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ET System and ET Wind Sensor ET System Setup Drawing

Hunter ET Module and Sensor (Optional ET Wind Sensor Sold Separately)

Gathers Weather Data On Site Continously Calculating the Ideal Program for Your Landscape.

Take the guesswork out of irrigation scheduling, by using your own state-of-the-art weather station to track your local microclimate and automatically calculate a scientific irrigation program! The Hunter ET System is an easy-to-add-on accessory (for any Hunter controller that operates with a SmartPort system) that measures key climatic conditions, and uses them to calculate your local Evapotranspiration (ET) factor. ET is the combination of two separate processes whereby water is lost from the soil surface by evaporation and from the plant by transpiration. By taking into account the rate at which water is consumed by weather conditions, the ET System will initiate a new schedule to replenish only the water that is actually needed for your sprinkler system, plants, and soil conditions. And our WiltGard technology can intervene to trigger protective watering when extreme conditions threaten your plants. The result is a dramatic savings in your water bill (about 30%, on average), healthier root zones, and your participation in conserving our precious natural resources.

Features and Benefits

ET System Digital Display

Proven Water Saver Calculates Evapotranspiration (ET) for your local microclimate
Automatically creates a scientific program and downloads it to your standard controller

Saves water and money
Minimizes water waste, applies just the water your plants need

WiltGard technology
Enables it to trigger protective watering when extreme conditions threaten your plants

True station-specific database determines appropriate watering
ET information combines with each zone's particular plant, soil, sun, and sprinkler data

Easily upgrades most Hunter controllers to weather-based control
No high voltage AC wiring required

Compatible with SRC/SRC Plus, Pro-C and ICC Controllers


Non-volatile memory
Retains your program and site information in event of a power failure


Tech Specs
(PDF: 82 KB)

Fact Sheet
(PDF: 475 KB)

Owner's Manual
(PDF: 1,377 KB)


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