The small tank designed to store rainwater in urban environments where space is at a premium and aesthetics are important.

  • Stores up to 316 litres of free rainwater
  • A choice of inlet and outlet options for quick set up alongside any downpipe
  • Designed for use with Marley Twist® downpipe diverter

Tank-It® Features
Tank-It® Installation

Urban Rain Harvesting Made Easy

Tank-it® can be easily connected to a downpipe using the Marley Twist® and a short length of hose turning your downpipe into a free source of water for watering the garden, topping up the pool, general cleaning or emergency use. Twist® can be easily installed on existing or new PVC downpipes and can quick connect to Tank-It® via any standard garden hose fitting.

Why Marley?

15 year guarantee

We stand by our product, and back it for 15 years

UV resistant

UV resistant to handle NZ’s harsh summer sun, high UV levels and long, hot days

Recyclable Plastics

Made using recyclable plastics which can be returned to Marley for recycling

Made in NZ

Proudly made in New Zealand for over 50 years


Technical Details

Installation Notes

  • Always install Tank-It on a level solid surface, that will not subside under weight.
  • Tank-It is intended for outdoor use, connected to a single downpipe via a diverter. It is not intended for connection to mains water networks or internal plumbing.
  • If your diverter is not turned off when Tank-It is full, water may overflow out the hose inlet point or lid vent. Over time this may cause water staining on the outside of the tank. For this reason, also make sure Tank-It is installed on a surface that is not susceptible to water damage.
  • Certain applications including raising Tank-It onto a support structure may require building consent. Please check with your local Council.
  • Tank-It’s lid ring is secured to the top of the tank with stainless steel screws. These protrude from the underside of the ring so please be careful handling this area when the screw in lid is removed.

For full installation instructions please click here

Included with Tank-It

  • Tank-It body
  • Vented screw lid
  • Brass Tap
  • Plastic Bung
  • Tank-It Installation Instructions
  • 16mm spade bit to drill out desired hose inlet point

Not included with Tank-It

  • Downpipe diverter (e.g., Marley Twist)
  • Hose/Hose connector to connect diverter to tank

Dimensions (Empty)

  • Height: 1120mm
  • Width: 805mm
  • Depth: 575mm


~316 Litres Maximum


  • Tank-It body – UV Stabilised PE
  • Plastic lid & lid ring
  • 316 S/S lid ring screws
  • Brass Tap and threaded inserts
  • Plastic bung
  • PTFE Thread Tape

Colours available

Light Grey

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