2,000 Litre Tall



  • Width 1200mm
  • Length 2400mm
  • Height 850mm

This 2000L underdeck water tank is a great choice for saving water out of sight. It is a narrow tank to fit neatly between piers and bearers, and measures 2400mm long x 1200mm wide x 850mm high. This means you can install it under a deck to keep your water tank out of sight and out of the way, which frees up space in your yard! It is a trendy design and is super strong. This 2000L underdeck water tank is easy to lift and position where you need it. You can even add more capacity later by connecting this tank to another one if you need to!


  • A neat looking tank in the space saving underdeck style
  • A 10 year manufacturers’ warranty for your peace of mind
  • Long lasting durability with food grade tank material certified to AS/NZS 4766.
  • A strong design with a self-supporting roof. The ribbed wall makes it extra strong!
  • A low, narrow tank for making the best use of space. It’s only 650mm high and 1200mm wide
  • Your choice of over 20 popular Colorbond colours to match your home! Check out the ‘Additional Information’ tab for the full list of colour options.


The inlet comes fitted with a 400mm mosquito proof leaf strainer at one end of the tank, in the centre of the roof.
2x quality brass 25mm BSP outlets are moulded into the tank at each end at the base of the tank.
An overflow provision is moulded into the tank at each end and a 90mm mosquito proof overflow is supplied loose.

See product brochure Rainwater Tanks Catalogue

See Installation Instructions Rotoplas-Rainwater-Tank-Installation-Guide




Underdeck Water Tank
2,000 Litre Tall