Tank Code:


The unique dome designs of the slimline rainwater tank have one piece construction and no internal supports needed.

And the 4000 Litre Poly Slimline Tank is no different being 100% UV stabilized for Australian conditions with 100% food grade material.

This ES-4000  rainwater tank comes complete with brass outlet and ball valve, stainless steel meshed strainer and stainless steel meshed overflow these slimline water tanks meet all the requirements of the Australian Standards No 4766/2002 100% Australian owned company.

Tank Capacity:

  • 4000 Litres

Tank Dimensions:

Length: 2930mm
Depth: 870mm
Height: 2100mm

4000 litre slimline water tank










Colour Range

White (Surf Mist), Merino (Paperbark), Beige, Earthtone (Bushland), Autumn Brown, Bronze Olive, Aubergine(Loft), Heritage Green (Cottage Green), Rivergum (Wilderness), Mist Green (Pale Eucalypt), Smooth Cream (Classic Cream), Wheat, Desert Haze (Sandbank), Heritage Red (Manor Red), Mountain Blue (Deep Ocean), Stormedge Blue (Blue Ridge), Torris Blue, Birch Grey (Dune), Light Grey, Slate Grey (Woodland Grey), Tank Charcoal (Monument), Metal Grey (Ironstone) , Black (Night Sky)

tank colour chart


Tank Fittings

  • Strainer
  • Overflow and Ball Valves


20 Year Repair Or Replace Guarantee

Delivery Area

  • NSW


$1419.00 incl. GST

During your call to 1300 885 547 or online enquiry, please use discount code ES4000 to get our lowest price.

For more information on our 4000 Litre Poly Slimline Tank please feel free to contact us


  1. Hello. Do you have a 4000 slimline available and can you deliver to Noosa Heads? If so please advise on the cost? I am looking for delivery ASAP? Thanks Jeff.

    • Hi Jeff,

      Thank you for your recent enquiry.

      Please refer to your inbox where I have sent you a reply.

      Kind regards,

  2. Can you please give me a price for the ES4000 delivered to Canberra? I would also like a bit more information regarding the actual location and size of the inlet and overflow openings

    • Thanks Ian
      The ES4000 slimline rainwater tank is available for delivery to Canberra. The inlet leaf strainer on top of the tank is apron. 450mm in diameter and the overflow fittings provided are 90mm. These are can be installed by the plumber at either end of the tank. I can email you a quote for the supply and delivery of tank to Canberra. Could you please contact me if you have any pump requirements as we have a wide range of options from garden packages and tank toilet/washing machine. sales@tightspottanks.com.au
      Regards Sam

  3. Hello

    We are building a pool in Wagga Wagga. The local council require as part of their approval & BASIX a 3800ltr water tank.

    I notice in your range a slimline 4000ltr tank. We can also place 2 x 2000ltr tanks.

    We have a 1mtr wide space that council will allow a tank to be placed.

    I would appreciate 2 prices 1 ex Sydney and 2 a price delivered to Wagga Wagga.


    David Post

    • Dear Mr Post

      Thank you for your enquiry on our website for pricing on the Enviro ES4000 litre poly rainwater tank.

      The price of the ES4000 ex factory is $1,235 incl gst.

      Our factory is located in South Windsor which is northwest of Sydney.

      We do have 2000 litre slimline tanks available in addition to the ES4000 so please email me the code of the 2000 litre model you are interested in and I will forward you a quotation via email.



Comments are closed.