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WeatherTRAK ET Pro3

WeatherTRAK ET Pro3® is the hands-down most tested and proven commercial-grade smart irrigation controller on the market today. This proven controller is EPA WaterSense certified and passed the Irrigation Association’s Smart Water Application Technologies (SWAT) protocol with a perfect score. The ET Pro3 can control a single site or an entire portfolio of sites, from 12 to 96 stations.

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  • Maximize water savings with proven, reliable solution.
  • Precise scheduling engine takes into account each zone’s unique characteristics (soil-type, plant-type, sprinkler-type, slope, sun exposure and more).
  • Protect landscape and property with usage information, alarms and analysis.
  • Reduce site visits, saving time and costs, using a mobile device.
  • Easy to install, use and maintain.
  • Lowest cost of ownership with all-in-one scalable solutions.
  • Ongoing connectivity guaranteed free of charge with our Worry-free Wireless Warranty
  • Strongest customer support from install to operations.

WeatherTRAK ET Pro3

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“WeatherTRAK provides us with the opportunity to monitor current environmental conditions and provide the appropriate quantity of water that’s required to maintain a healthy, thriving landscape.”

-Director of Facilities,
City of Hope Medical Center


  • Support for 12 to 96 stations – with backlit display and touch pad interface
  • Six station modularity
  • Real-time scheduling based on site-specific program parameters and weather data
  • Web-based oversight of single controller, full sites or multiple accounts
  • Account or site level reports, field asset tracking and dashboards
  • One-touch customer support from a mobile device
  • Plug-and-play installation features simple program set up
  • No local PC or software required to set up or maintain
  • No need for add-ons, weather stations or additional network connections
  • Controller firmware and WeatherTRAK Central feature upgrades included
  • Bilingual, expert technical advice, six days per week
  • Ongoing training and online resources

Programming Features

  • Up to eight simultaneous programs with five program modes and two start times
  • Program all settings at the controller, or remotely with WeatherTRAK Central
  • Independent station programming (72 cycles / station) with automated cycle and soak
  • User-defined water days and water windows per program to comply with agency regulations
  • Built-in scheduling engine optimizes by plant, soil, sprinkler, sun exposure and slope data
  • Automated daily runtime adjustments at the controller using site specific weather data
  • % adjust – fine tune by station
  • Automated skip days based on zone-specific soil moisture depletion
  • Sports turf and high desert specific scheduling
  • Runtime rationing protects plant health under constricted water windows
  • Stacked station manual watering from 1-99 minutes

Hardware Features

  • Integrated flow sensor support included expandable up to 4 flow sensors
  • Dedicated master valve and pump start
  • Up to 14 outputs energized simultaneously (8 programs, manual, pump, 4 MVs)
  • Commercial grade screw-less wire terminals
  • Built-in handheld remote compatibility w/ RainMaster™ Pro-Max UA series with EX-32 cable or TRC™ Commander Series
  • Built-in amp meter for fault protection and diagnostics
  • Wall mount enclosure option in both cold-rolled steel and stainless steel; option to mount on small pedestal
  • Four stainless steel enclosure options
  • Six chassis options to quickly retrofit existing high value pedestals
  • Cellular radio and first year WeatherTRAK Central included
  • Non-volatile memory stores settings without battery up to 10 years
  • High lightning protection
  • 5-year warranty; option of 10 year extended warranty

Electrical & Enclosure Specifications

Input Power: 120 VAC +/- 10%, (60 Hz) or 220 VAC +/- 10%, (60 Hz)
Output Power:
24 VAC (60 Hz)
  • 1.0 Amp (1000mA) max per station output including a pump start
  • 1.0 Amp (1000mA) max per master valve output
  • 3.0 Amps (80 VA) total load

Up to 14 terminal outputs energized simultaneously (8 programs, manual, pump, MV1, MV2, MV3, MV4)

Consumptive Power Certifications: Idle State: 2.5 Watts Power
Maximum Power Requirements for Irrigation State: 70 Watts EPA WaterSense Approved, FCC Certified, UL Listed , 100% SWAT-tested
Enclosure Options:
Wall Mount Enclosures
  • 16 gauge wall mount enclosure available in stainless and powder coated finishes
  • Key-hole mounting for wall mount enclosures for easy installation
  • Easily adapts to a small 14 gauge pedestal; available in two finishes
VIT Strong Box Stainless Steel Pedestal Enclosures
Retrofit Chassis for Existing Enclosures
  • All come with key lock entry
  • UL listed, NEMA-3R weather-resistant


Integrated Flow Features

  • Mainline / catastrophic break detection and shutdown
  • Leak detection and management
  • Real-time station specific flow monitoring and control
  • Local and remote station learned flow
  • Fault detection, diagnostics and alerts
  • Supports up to four flow sensor inputs and master valve outputs
  • Supports normally open or normally closed master valves
  • Supports Data Industrial, CST, Netafim flow sensors and custom K and offset values
  • Compatible with WeatherTRAK FlowLink, FlowShare, Flow3 and FlowHD