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WeatherTRAK ET Pro3 2-Wire

The WeatherTRAK ET Pro3 2-Wire offers the power of the ET Pro3 controller with expandable 2-wire technology, reducing installation and wire costs. This proven controller is EPA WaterSense certified and passed the Irrigation Association’s Smart Water Application Technologies (SWAT) protocol with a perfect score. The Pro3 2-Wire controller supports up 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.
  • Reduce installation and wire costs, turning complex installations into plug-and-play simplicity.
  • Get maximum flexibility with support for either direct or decoder wiring.
  • Strongest customer support from install to operations.

Product Details

Feature Overview

  • Scales to 96 stations – with backlit display and touch pad interface
  • Single station decoders for easy installation and troubleshooting – splice kit included
  • Decoders can be user programmed at controller, with optional hand-held programmer or pre-programmed from factory
  • Four master valves and flow sensors supported, either direct wire connection or via decoder
  • Line surge protection every 500 feet or five decoders to protect line against high voltage transients – Decoders also placed at end of each 2-wire branch
  • Grounded with resistance of 2-Wire to ground with 50 Ω maximum
  • WeatherTRAK Wire (Paige Electric P7389D) required for all 2-Wire path applications
  • Supports up to two 2-wire paths with independent line isolation for diagnostics
  • Built-in decoder programmer and compatible with hand-held programmer, WT2W-HHP

Let's talk.

Call us at 1-800-362-8774.

Programming Features

  • Up to eight simultaneous programs with five program modes and two start times
  • Program settings at controller or remotely via WeatherTRAK Central
  • Independent station programming (20 cycles / station) with automated cycle and soak
  • User-defined water days and water windows per program to comply with local regulations
  • Built-in scheduling engine optimizes by plant, soil, sprinkler and slope data
  • Automated daily runtime adjustments 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
  • Dedicated master valve and pump start
  • Commercial grade screw-less wire terminals
  • Remote irrigation capability via WeatherTRAK Mobile App
  • Up to 10 outputs energized simultaneously (8 programs, manual, pump, 4MVs)
  • 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
  • Five chassis options to quickly retrofit existing high value pedestals
  • Cellular radio and first year WeatherTRAK Central service included
  • Non-volatile memory stores settings up to 10 years without battery
  • High lightning protection
  • 5 year warranty; Option of 10 year extended warranty

Integrated Flow Features

  • Mainline / catastrophic break detection and shutdown
  • True 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

Ordering Information

WT ETPro3 2-Wire Ordering Info


Download WeatherTRAK ET Pro3 2-Wire (ZIP, 7MB)
Contains:  (PDF)  (DWG)  (DFX)  (JPEG)

Electrical and Enclosure Specifications

Input Power

  • 120 VAC +/- 10%, (60 Hz) or 220 VAC +/- 10%, (60 Hz)

Output Power

  • Station Valve: 24VAC up to 600mA max including a pump start
  • Master Valve: 24VAC Valves up to 900mA
  • Flow Sensor: Loop Current 6.5 mA, 0-200Hz
  • Total Load: 3.0 Amps (80 VA)


  • Idle State: 3.0 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 makes it easy to install
  • Easily adapts to a small 14 gauge pedestal, also available in two finishes
  • Wall Mount Dimensions: (12” W x 17” H x 5-3/4” D)
    • Shipping weight 21 lbs.
    • Powder-coated or stainless steel options
  • Small Pedestal Dimensions: (11-1/4” W x 28” H x 4-1/8” D)
    • Shipping weight 21 lbs.
    • Powder-coated or stainless steel options
VIT Strong Box Stainless Steel Pedestal Enclosures
Retrofit Chassis for Existing Enclosures:
  • All come with key lock entry
  • UL listed, NEMA-3R weather-resistant