Large Poly Water Tanks - 20,000 Litres To 50,000 Litres

NSW & The ACT's Choice For Quality Water Tanks At The Right Price

Water Tank Sale Sydney NSW

From 20,000 Litres Up To 50,000 Litres

Round Poly Water Tanks NSW ACT

All of our Poly Water Tanks are made from Rotathene SUPA UV, virgin food-grade polyethylene, which is UV reinforced and meets the Australian Standard (AS4766:2006) for the safe, long-term containment of potable (drinking) water.

From 20,000 Litres all the way up to 50,000 Litres, there's a quality Large Poly Water Tank in our range for any project. Please find below a complete list of our entire range (from smallest to largest).

All Round Poly Water Tanks from Unity Tanks are supplied with a suite of complimentary fittings, valued at $178, and the peace of mind that comes with a full 10 Year Warranty.


Proudly Made In NSW For Local Conditions.

20,000 Litre Round Poly Water Tank

Model: PR200A

20000 Litre Round Poly Water Tank Sydney NSW Canberra ACT

Diameter: 3620mm

Inlet Height: 2000mm

Overall Height: 2300mm

Free Inclusions:

Inlet Strainer with Stainless Steel Mesh Strainer.

90mm PVC Overflow Device.

40mm BSP Outlet & Heavy Duty Ball Valve Tap.

Choice of 24 Colours.

Full 10 Year Warranty.

Delivery Within 200km Of Sydney NSW Or Throughout The ACT


Normally $3158 Inc GST

Sale Price: $2757 Inc GST + Free Delivery*

*Simply Order Before The End Of September. No Deposit Required. Free Delivery Within 200km Of Sydney & Throughout The ACT.

Order Now (No Deposit Required)

22,700 Litre Round Poly Water Tank

Model: PR227A

22700 Litre Round Poly Water Tank Sydney NSW Canberra ACT

Diameter: 3600mm

Inlet Height: 2470mm

Overall Height: 2680mm

Free Inclusions:

Inlet Strainer with Stainless Steel Mesh Strainer.

90mm PVC Overflow Device.

40mm BSP Outlet & Heavy Duty Ball Valve Tap.

Choice of 24 Colours.

Full 10 Year Warranty.

Delivery Within 200km Of Sydney NSW Or Throughout The ACT


Normally $3198 Inc GST

Sale Price: $2833 Inc GST + Free Delivery*

*Simply Order Before The End Of September. No Deposit Required. Free Delivery Within 200km Of Sydney & Throughout The ACT.

Order Now (No Deposit Required)

25,000 Litre Tall Round Poly Water Tank

Model: PR250A

250000 Litre Round Poly Water Tank Sydney NSW Canberra ACT

Diameter: 3620mm

Inlet Height: 2460mm

Overall Height: 2760mm

Free Inclusions:

Inlet Strainer with Stainless Steel Mesh Strainer.

90mm PVC Overflow Device.

40mm BSP Outlet & Heavy Duty Ball Valve Tap.

Choice of 24 Colours.

Full 10 Year Warranty.

Delivery Within 200km Of Sydney NSW Or Throughout The ACT


Normally $3750 Inc GST

Sale Price: $3195 Inc GST + Free Delivery*

*Simply Order Before The End Of September. No Deposit Required. Free Delivery Within 200km Of Sydney & Throughout The ACT.

Order Now (No Deposit Required)

25,000 Litre Round Poly Water Tank

Model: PR250B

25000 Litre Round Poly Water Tank Sydney NSW Canberra ACT

Diameter: 3750mm

Inlet Height: 2250mm

Overall Height: 2500mm

Free Inclusions:

Inlet Strainer with Stainless Steel Mesh Strainer.

90mm PVC Overflow Device.

40mm BSP Outlet & Heavy Duty Ball Valve Tap.

Choice of 24 Colours.

Full 10 Year Warranty.

Delivery Within 200km Of Sydney NSW Or Throughout The ACT


Normally $3750 Inc GST

Sale Price: $3195 Inc GST + Free Delivery*

*Simply Order Before The End Of September. No Deposit Required. Free Delivery Within 200km Of Sydney & Throughout The ACT.

Order Now (No Deposit Required)

31,800 Litre Round Poly Water Tank

Model: PR318A

31800 Litre Round Poly Water Tank Sydney NSW Canberra ACT

Diameter: 4159mm

Inlet Height: 2560mm

Overall Height: 2850mm

Free Inclusions:

Inlet Strainer with Stainless Steel Mesh Strainer.

90mm PVC Overflow Device.

40mm BSP Outlet & Heavy Duty Ball Valve Tap.

Choice of 24 Colours.

Full 10 Year Warranty.

Delivery Within 200km Of Sydney NSW Or Throughout The ACT


Normally $5235 Inc GST

Sale Price: $4593 Inc GST + Free Delivery*

*Simply Order Before The End Of September. No Deposit Required. Free Delivery Within 200km Of Sydney & Throughout The ACT.

Order Now (No Deposit Required)

50,000 Litre Round Poly Water Tank

Model: PR500A

50000 Litre Round Poly Water Tank Sydney NSW Canberra ACT

Diameter: 4365mm

Inlet Height: 3390mm

Overall Height: 3390mm

Free Inclusions:

Inlet Strainer with Stainless Steel Mesh Strainer.

90mm PVC Overflow Device.

50mm BSP Outlet & Heavy Duty Ball Valve Tap.

Choice of 24 Colours.

Full 10 Year Warranty.

Delivery Within 200km Of Sydney NSW Or Throughout The ACT


Normally $8152 Inc GST

Sale Price: $7355 Inc GST + Free Delivery*

*Simply Order Before The End Of September. No Deposit Required. Free Delivery Within 200km Of Sydney & Throughout The ACT.

Order Now (No Deposit Required)

We're Here To Help!

Our expert and friendly customer service staff welcome any questions you may have regarding the Unity Tanks range of water tanks and pump packages or rainwater harvesting and re-use in general. Please give us a call today on 1300 977 121 or email info@unitytanks.com.au to discuss your project's particular requirements.