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YARD CLEARING SALE! A further 30% off of our already discounted factory seconds water tanks and garden beds. Applies automatically at checkout.

90mm PVC Corrugated Overflow


90 mm corrugated PVC overflow for water tank

Compliance with AS/NZS 4020:2005

Flanged outlet with pre-moulded holes for easy installation

Flat top design allows installation right to the top of the water tank, allowing maximum capacity

Made from UV stabilised PVC for longevity

Designed specifically for steel water tanks

Pre-marked indents for a quick and easy installation

Standardized size for easy connection to standard plumbing fittings, or even water tank specific needs such as flap valves or mosquito proof screens

For ensuring that the excess water from your tank can be flowed safely and effectively away into your storm water drainage system