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Expand your Sprinkler System Using your Existing Irrigation Controller and Wiring
DuWa Products 4ZEX Irrigander 4 V3.0 Expander
DuWa Products 4ZEX Irrigander 4 V3.0 Expander
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Installation Diagram
DuWa Products 4ZEX Irrigander 4 Expander
Item# 31383
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  • Control up to 4 valves using only 1 field wire plus the system common
  • Compact transmitter easily connects to the irrigation controller
  • Receiver is sealed to protect it from moisture
  • Industrial grade components for maximum reliability

Essential Info

The Irrigander 4 V3.0 Expander is a 4 zone irrigation expander that can control added irrigation valves in small or medium size irrigation systems. The Irrigander 4 V3.0 uses the existing irrigation wires, eliminating the need to trench or pull new cable. The Irrigander 4 V3.0 Expander can control from 2 to 4 valves including a master valve.


What's Included

  • 1x - Irrigander Encoder
  • 1x - Irrigander Decoder

  • More Info

    The Irrigander 4 V3.0 Expander is comprised of two modules: a transmitter that is installed close to or inside the sprinkler controller; a receiver that is installed close to the valves to be controlled. The transmitter is attached to the receiver using one field wire and the system common. These wires are typically the existing field control wires in the irrigation systems to be expanded. The receiver has 4 outputs that are attached to each of up to 4 valves. Each valve connected to the Irrigander 4 V3.0 Expander is independently controlled allowing each valve to have a different watering program.


    • Power Requirements: 24 VAC provided by the irrigation controller
    • Supported Irrigation Controllers: Virtually any irrigation controller that uses 24 VAC valves and a common on the output can be used.
    • Supported Irrigation Valves: Virtually any 24 VAC irrigation valve can be used with the Irrigander 4 expander.
    • Valves per Zone: The Decoder is designed to drive a maximum of one valve per output.
    • Simultaneous Active Zones: One of the outputs on the Irrigander 4 V3.0 Expander can operate simultaneously with the other outputs allowing control of a master valve.
    • Encoder Environmental Operating: 0°C to +50°C (+32°F to +122°F) Non-Operating: -40°C to +70°C (-40°F to +158°F) The Encoder is not waterproof; enclose the Encoder unit in a suitable weather proof enclosure if installed outdoors.
    • Decoder Environmental Operating: -20°C to +50°C (-4°F to +122°F) Non-Operating: -40°C to +70°C (-40°F to +158°F) The Decoder is designed for harsh environments and is suitable for most outdoor conditions including wet environments. However the decoder should not be placed where it is continuously under water.
    • Maximum distance between transmitter and receiver: 500' using 18 gauge irrigation wire.
    • Maximum distance between receiver and valves: 100' using 18 gauge irrigation wire.
    • Warranty: DUWA PRODUCTS LLC, hereinafter referred to as the manufacturer, warrants the Irrigander 4 Expander to be free from defects in workmanship and materials for 1 (one) year from the date of sale.
    Important notes:
    Only merchandise credit for defective items returned within 30 days of purchase. No other returns allowed on this item.
    Manufacturer contact information: DUWA PRODUCTS, LLC, Tel: (866) 984-7744 Ext 702


    Installation Diagram       
    Installation Diagram       


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    ROBERT -- azle, TX   12/8/2013
    This device provides a very useful function, and is not available in another brand (at least I can't find it). This is my second device due to a failure of the first. I installed as prescribed in the instructions, including grounding to prevent lightning damage. Unfortunatly, the first unit only lasted about 2 years. I opened it and could see that one of the small capacitors had blown - probably surge or ripple on power. Should have better build it surge protection...nothing else at my house (including my sprinkler controller) was affected.

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