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I recommend that you watch the measured Irrigation video:

DIY Universal Measured Irrigation Controller Kit


The Kit includes everything that you need except for the evaporator. The components in the kit are as follows:

  • Valve assembly
  • Cylindrical float
  • 6 float rings
  • Outlet pipe (15mm BSP)
  • 2 round plastic nuts (15mm BSP)
  • Inlet adaptor 15mm x 20mm
  • Adjustable control dripper assembly


Key features

  • Completely automatic
  • No electricity is needed (no batteries, no solar panels, no computers, and no electronics)
  • Smart irrigation controller – the irrigation is controlled by the prevailing weather conditions rather than a program
  • Use for gravity feed or pressurised irrigation (water supply pressure at least 10 kPa)
  • Use for sprinkler or drip irrigation
  • Use for pressure compensating drippers or non pressure compensating drippers
  • You can adjust the water usage by adjusting the control dripper
  • You can adjust the irrigation frequency by adjusting the float
  • The water usage is directly proportional to the net evaporation rate (this is a unique feature of measured irrigation)
  • Responds appropriately to an unexpected heat wave
  • When it rains, water enters the evaporator and delays the start of the next irrigation
  • The water usage is independent of the water supply pressure (this is a unique feature of measured irrigation)
  • Uses much less water without affecting the yield
  • Simple and low tech and so easy to assemble and fewer things to go wrong
  • You can leave your garden unattended for weeks on end

DIY Unpowered Evaporative Valve Kit

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