Enviro Tanks ES4000LT Slimline Rain Water Tank

SKU: ES4000

4000 LT Enviro Tanks ES Slimline Water Tank



Product Documents

Enviro Tanks ES4000LT Slimline Rain Water Tank

SKU: ES4000

Dimensions: 2930L x 870W x 2100H

Slimline Water Tanks are becoming increasingly popular in Sydney as they are great for urban areas where space is limited. They are suitable for fitting flush against a wall or in a narrow space. The unique certified design makes for a strong, durable structure that won’t bulge.

*Inlet is now located at one end of the tank (opposite end to bucket height outlet)


  • 2100mm (H)
  • 2930mm (L)
  • 870mm (W)
  • Tank Weight (empty) 150Kg
  • 100% Polyethylene food grade material Your assurance of safety
  • Certified AS/NZS 4766:2006 Your assurance of quality
  • 20 Year Manufacturers’ Warranty

Supplied Accessories: 1 x Inlet with Strainer, 1 x Overflow and 1 x 25mm Brass Outlet with Ball Valve.

  1. Ensure that the area chosen is stable original ground and not filling soil.
  2. All Enviro Water Tanks tanks must be on a level base of concrete 100mm thick with a minimum strength 25m.p.a. and one layer of F72 reinforcement.
  3. Concrete must extend a minimum of 30mm outside of the tank perimeter of the tank.
  4. Crusher dust may be used but must be a minimum of 75 mm thick, compacted and the outside edge must extend a minimum of 30mm outside of the tank’s perimeter with edges concreted so the tank cannot be undermined.
  5. All tanks come complete with a ball valve, stainless steel mesh strainer and a tank overflow fitting.
  6. Enviro Water Tanks recommends a professional tank installer or plumber should install your tank.
  7. Polyethylene tanks will expand when filled. Allowance for expansion is required when plumbing work is carried out.
  8. Clean leaves & debris from strainer on a regular basis.

NB: we do not return tanks for incorrect size or colour.
Available in NSW only.



Enviro Water Tanks

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Dimensions (mm)

2930L x 870W x 2100H (mm)

Supplied Accessories

Inlet Strainer, Overflow Screen, 25mm Ball Valve

Product Documents

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