West Coast Poly 4,500L slimline rainwater tank
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West Coast Poly 4,500L Slimline Tank

Big storage, narrow footprint — 4,500 litres of rainwater that tucks neatly against a wall and lasts two decades. Standard fit-out includes overflow, drain bung, 19 mm lever-action tap and a leaf strainer; choose from the full Colorbond palette at order.

From $3,782
4,500 L
Capacity
980 mm
Width
2.00 m
Height
130 kg
Empty weight
Full specifications

Full specs, dimensions and compliance.

Capacity & sizing

Capacity
4,500 L
Width
980 mm
Total height
2,000 mm
Inlet height
2,000 mm
Empty weight
~130 kg

Fit-out & connections

Outlet tap
19 mm lever-action
Overflow
Right-hand side
Drain bung
Right-hand side
Leaf strainer
Top inlet
Colour options
Full Colorbond palette

Build & compliance

Material
UV-stabilised food-grade polyethylene
Make
West Coast Poly (WA)
Standard
AS/NZS 4766
Delivery
Free Perth metro · 80 km radius
Warranty
20 years (manufacturer)
What's supplied

Tank, fit-out and delivery.

A complete 4,500 L slimline package shipped from West Coast Poly's WA factory. Standard fit-out included — choose your Colorbond colour at order.

  • West Coast Poly 4,500 L slimline tank body
  • 19 mm brass-tail lever-action outlet tap
  • Right-hand-side overflow fitting
  • Right-hand-side drain bung
  • Top-inlet leaf strainer
  • Choice of Colorbond colours
  • Free delivery within Perth metro (80 km radius)
Standards & install

Site preparation by your installer.

The slimline tank ships ready to drop onto a level pad. Pad prep, plumbing connection and council requirements are the installer's responsibility:

  • AS/NZS 4766 — polyethylene storage tanks
  • AS/NZS 3500.3 — plumbing & drainage (stormwater)
  • Level, compacted sand or concrete pad recommended
  • Licensed plumber for rainwater plumbing tie-in
We deliver the tank to your site (free within Perth metro). Pad prep, plumbing connection and council requirements are arranged by your licensed plumber — ask us for recommended installers.
Get started today

Big storage
tight footprint.

Tell us the roof catchment, household size and Colorbond preference — we'll confirm the 4,500 L slimline is the right fit and send a quote with delivery.

No obligation
Prompt response
Free Perth metro delivery
20 yr manufacturer warranty