BWT Slimline Water Tank 1200L


Big Water Tanks BWT Slimline Water Tank is the perfect solution to those tight urban spaces requiring minimal space to install this slimline water tank for all your storm water detention or retention requirements.

This BWT Slimline Water Tank is compact with a depth of only 440mm, a width of 1760mm and height of 1900mm 

1200 Litre Slimline Plastic Water Tank

  • Very heavy duty Slimline Tank with an attractive yet strong structure to stand the test of time
  • A full range of Accessories, Support or Seismic Brackets and Information is available
  • Outlet Sizes are 32mm BSP Female, they can be installed to the back or front depending upon your preferred location and available access
  • Manufacture from a fully certified tank material meeting AS/NZS 4766:2020
  • Long Term UV stabilisation Rated to UV20
  • There are two 355mm Screw on lids for access to either end of the tank.

Features and Benefits

  • Can be installed along a fence line to save water in the most space efficient way
  • Our BWT Slimline tanks are designed and made here in NZ from the highest quality standards
  • Modern living with only a courtyard or small backyard means round tanks may not be the most efficient use of the available space, while council has a requirement for some storm water retention or detention or a combination of both
  • Structural Engineers Producer statements (PS1) are available 

Tank Specifications:

1.76 m (1,760mm)
Depth 0.44 m (440mm)
Height 1.90m (1,900mm)
Weight 75 kg
Volume 1,200 litres
Outlet 32mm BSP (x2)
UV Rating UV20

AS/NZS 4766:2020
Medium Density Polyethylene
Australian food contact requirements (AS/NZS:2070)
Potable (drinking) water standard (AS4020:2005)


PS1 available on request


  • 2 Tanks Installation with Steel Posts and a Connnection Kit
  • BWT Slimline Water Tank Inter tank connection Kit

More Information: