West Coast Poly WCP4500R Polyethylene 4500 Litres Round Water Storage Tank

For properties requiring a compact yet capable water storage solution, the West Coast Poly 4,500L tank delivers reliable rainwater, stock water, or bore water storage in a space-efficient footprint. With a 1.80m diameter, 1.95m inlet height, and 2.06m apex height, this tank fits comfortably in tighter spaces while still providing ample capacity for household gardens, small livestock, or spray applications.

Built from UV-stabilised food-grade polyethylene with a reinforced lower wall and ribbed profile, this tank offers structural strength without the weight or corrosion concerns of steel. The seamless one-piece construction eliminates weak points, while the integrated roof design prevents water contamination from insects, debris, or vermin. FEA-certified design and advanced ultrasonic thickness testing ensure consistent quality and structural performance.

Available in a range of colours matched to the COLOURBOND® range, the tank comes complete with a 40mm brass outlet, poly ball valve, 90mm overflow with mosquito screen, leaf strainer, and screw lid. Outlet positions are installed to your requirements before delivery, ensuring the tank is ready for connection upon arrival.

With a 20-year manufacturer's guarantee, WaterMark certified, and AS4020:2018 compliance for potable water, this tank offers long-term peace of mind for residential and rural water storage needs.

FEATURES

• FEA-certified design validated through advanced ultrasonic wall thickness testing
• Food-grade polyethylene construction certified to AS4020:2018 for potable water and AS2070 for food contact
• UV20 stabilisation for long-term UV protection in Australian outdoor conditions
• Reinforced lower wall and ribbed profile deliver strength where water pressure is greatest
• Fully sealed system with mosquito-proof overflow, leaf strainer, and screw lid keeps water clean and hygienic
• Will never rust or corrode—ideal for bore water with high salt or iron content
• Manufactured in Canning Vale, Western Australia by a locally owned company
• One-piece integrated roof design with no joins, screws, or rivets for maximum durability
• Backed by a 20-year manufacturer's guarantee
• WaterMark certified for plumbing installations across Australia

IMPORTANT: Bulk freight charges apply. Please contact us for a freight quote before ordering.