TW Series N/T

The Aquamonix range of 2-Wire Decoders is marketed globally under Tonick Watering.

Our 2-wire and wireless products can be used in various industries and tailored to specific project needs. All our 2-wire decoder systems and 2-wire irrigation controllers can be applied to a wide range of applications including irrigated agriculture, commercial landscapes, water infrastructure, smart cities and golf and sports turfs.

The TW Series N/T is our most advanced decoder, and are designed specifically for large, complex applications.

  • Inbuilt Indicator LED with light pipe – Green: Listening- Orange: Solenoid operating- Off: No active power on path
  • Ability to be directly buried
  • Tropical rated
  • Expandable – simply splice additional decoders into the 2-wire line
  • Economical – typical installation requires up to 80%less cable than conventional systems
  • Redressable – decoders can be reprogrammed multiple times using the Tonick programming tool
  • Versatile – tolerant of earth leakage in the existing cables, retrofit possible, including bunched multiwire to make 2-wire path
  • Suitable for use with the complete Tonick BT2 twin translator family


  • True A/C system not harmful to cable and joints
  • Operating voltage 19VAC-32Vac, 50 or 60 Hz
  • Idle current (typical) – 3 mA
  • Holding current (maximum) – 500mA
  • Maximum recommended active solenoids per 2-wire path – 8


  • Custom firmware for OEM systems
  • Station address limit as per translator
  • Compatible with other Tonick decoders on the same 2-wire path
  • Compatible with the Tonick range of sensor decoders for moisture, pressure, water level, flow and digital inputs

Physical 2 Way Solenoid

  • Length: approx. 64mm (not including cables)
  • Diameter: 42mm OD
  • Fully potted to waterproof the electronics


• Low smoke type 99, AWG20, stranding 19/0.20mm, modified polyester insulated, 600V, 300mm length. Mil Std 681


  • Internal lightning protection
  • No grounding required along 2-wire path
Other documentation

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