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Available Colours

White (Surf Mist™) White (Surf Mist™)
Gull Grey (Shale Grey) Gull Grey (Shale Grey)
Windspray Windspray
Basalt Basalt
Smooth Cream (Classic Cream™) Smooth Cream (Classic Cream™)
Merino (Paperbark™) Merino (Paperbark™)
Wheat (Harvest®) Wheat (Harvest®)
Beige Beige
Birch Grey (Dune™) Birch Grey (Dune™)
Heritage Red (Manor Red™) Heritage Red (Manor Red™)
Slate Grey (Woodland Grey®) Slate Grey (Woodland Grey®)
Mist Green (Pale Eucalypt®) Mist Green (Pale Eucalypt®)
Rivergum (Wilderness®) Rivergum (Wilderness®)
Heritage Green (Cottage Green™) Heritage Green (Cottage Green™)
Mountain Blue (Deep Ocean®) Mountain Blue (Deep Ocean®)
Monument™ Monument™
Black (Night Sky) Black (Night Sky)
White (Surf Mist™) White (Surf Mist™)
Gull Grey (Shale Grey) Gull Grey (Shale Grey)
Windspray Windspray
Basalt Basalt
Smooth Cream (Classic Cream™) Smooth Cream (Classic Cream™)
Merino (Paperbark™) Merino (Paperbark™)
Wheat (Harvest®) Wheat (Harvest®)
Beige Beige
Birch Grey (Dune™) Birch Grey (Dune™)
Heritage Red (Manor Red™) Heritage Red (Manor Red™)
Slate Grey (Woodland Grey®) Slate Grey (Woodland Grey®)
Mist Green (Pale Eucalypt®) Mist Green (Pale Eucalypt®)
Rivergum (Wilderness®) Rivergum (Wilderness®)
Heritage Green (Cottage Green™) Heritage Green (Cottage Green™)
Mountain Blue (Deep Ocean®) Mountain Blue (Deep Ocean®)
Monument™ Monument™
Black (Night Sky) Black (Night Sky)

* Product May Vary Slightly. Polymaster will not be held liable for incorrect colour impressions, request your Polymaster colour sample to view colours. Polymaster tank colours represented match COLORBOND steel colours. *COLORBOND® and colour names are registered trademarks of Blue Scope Steel Ltd™.

RWT3300

3,300L Round Water Tank

This round 3,300L tank is suited for sites that require simple and effective water storage and is ideal for small sheds or hard to access downpipes. This certified rainwater tank is manufactured with strength in mind.

Invest with confidence that this Polymaster rainwater tank is fit for purpose and will stand the test of time. A favourite with home owners, this corrugated round water tank is manufactured to the highest of Australian Standards.

Australian standards are put in-place to give households, peace of mind when it comes a tanks’ usability.

  • One-piece build with a self-supporting roof — no joins or seams to sag over time.
  • Compact and space-efficient — 3,300L in a small footprint, ideal for sheds or tight downpipe locations.
  • Built for Australian conditions — UV+ double-strength resin resists fading and cracking in the sun.

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Ag - Customer Service Team Member

Dimensions

Capacity:

3,300L (750 gallons)

Inlet Height:

2,000mm

Diameter:

1,520mm

Overall Height:

2,100mm

All measurements listed are approximate only

Standard Fit Out

Strainer Position:

12 o’clock

Overflow Position:

11 o'clock

Outlet size:

25mm (Brass)

Outlet Position:

6 o’clock

Strainer Size:

300mm

Ball Valve:

25mm

Guides & Specifications

Installation Manual

Water Tank Category Brochure

When you invest in a rainwater tank it’s important that you get one that lasts and is fit for purpose.
Australian standards are put in-place to give households, peace of mind when it comes a tanks’ usability.

EXPERT SOLUTIONS

What makes Polymaster tanks the toughest?

  • Self-supporting roof design means no support poles are necessary
  • Extra thick walls for maximum strength
  • Double strength UV+ resin ensures ultimate protection against the harsh sun
  • One-piece construction with no joins, seams or part-lines

PRODUCT FEATURES

Highest Quality & Standards

Every tank is built to strict Australian standards, with quality fittings and components ensuring lasting performance and dependable, everyday water storage.

Ball Valve

Controls water flow at the outlet, letting you open or shut off supply quickly and reliably whenever it’s needed.

Brass Outlet

A durable, corrosion-resistant outlet fitting that connects to your plumbing or hose for reliable, long-term water access.

Lifting Lugs

Moulded into the tank for safer, easier handling during delivery and installation, without extra equipment.

Strainer

Filters debris and leaves from incoming water before it enters the tank, keeping stored water cleaner.

Overflow

Directs excess water safely away from the tank once it’s full, protecting the base and surrounding site.

FAQs

Frequently Asked Questions

Got questions about the 3,300L round water tank? Here are answers to some of the most common questions about durability, safety, and performance to help you choose with confidence.

1,520mm diameter x 2,100mm overall height, 2,000mm inlet height.
Standard 25mm outlet, upgradeable to 40mm (BV1.5A) or 50mm (BV2A).
A firm, level, flat base, concrete pad or 75–100mm compacted sand base extending 600mm beyond the tank’s diameter.
No, installation doesn’t require entry into the tank.

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