• Urban Water Tank Pumps

          These pumps are suitable for our Urban water tank range only. For rural tank pumps, please contact us for advice.

Delivered to Sydney Metro in 48 Business Hours

10 Years Replacement Warranty

One Piece Construction

The KPoly range of tank colour is a “closest in representation” to the true corresponding Colorbond colour.








**All Dimensions Are Nominal

KPOLY4000 4000 Litre Poly Slimline Water Tank White


Delivery is INCLUDED in this price. There won’t be delivery charges when you place the order.

Available for pickup or delivery.

The KPOLY4000 enables you to make use of fresh rainwater in the garden, to top up the pool or for household applications such as flushing toilets and laundries. With a 4000 litre capacity, it is suitable to be placed against a wall of a house or to service a granny flat.

  • 4,000 Litres capacity to suit most general uses

  • Tanks can be joined using a flexible coupling

  • Brass outlets moulded into the tank at ankle height

  • Finished in White (Surfmist)

The KPoly Range of tanks are only available for SYDNEY METRO – Check If We Deliver to Your Postcode

SKU KPOLY-4000-WHITE Category

3 in stock

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Each Kingspan tank is crafted to suit its environment

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Included Fittings

Leaf Strainer


25mm Ball Valve

ball valve

Mozzie Stoppa

Easy Clean Mozzie Stoppa

*Please note: We do not recommend drinking tank water when a potable supply is available unless it is appropriately filtered to remove potentially harmful contaminants.

Default Fitting Position

KPOLY Slimline Tank Fitting Positions

Delivery To Your Slab

On the day of delivery, the delivery crew will call the site contact or end customer one hour prior to arriving.


We will deliver the tank with 2 staff using a trolley and will place the tank onto the prepared base provided the access is clear, flat and has no steps.


If our delivery staff cannot get the water tank to the slab using the trolley, then they will convey the tank into the property as far as is safe and practicable.


The customer will then need to make their own separate arrangements final conveyance of the water tank to the prepared pad.

Standard Inclusions


2000 Litres Tank – The inlet (fitted with a leaf strainer) is located at the centre of the tank.


3000/4000 Litres Tank – The inlet (fitted with a leaf strainer) is located at one end of the tank



A 25mm sealed brass outlet is moulded into both ends of the tank at ankle height to enable you to attach the ball valve / pump according to your requirements.


A 25mm brass outlet is also moulded into the tank at bucket height at the opposite end as the inlet.



Overflows are moulded into the tank at the top of each end (attach gutter flange / Mozzie Stoppa according to your requirements)


Joining two or more tanks together is easy with the use of flexible coupling (made to suit your required length, price on application) and an additional 25mm ball valve to connect to a pump.


All tanks include an overflow hole pre-cut service, swarf (from cutting the hole) removed from inside the tank and a Mozzie Stoppa put in your selected overflow location.


MP Colour Code 711UV Micropellets Name Colorbond Name Known As
RT711UVSG Slate Grey WOODLAND GREY® Slate Grey
RT711UVBGRY Basalt Grey BASALT® Boulder Grey
RT711UVBIRCHG Birch Grey DUNE® Birch Grey
RT711UVLGRY Light Grey
RT711UVWGRY Wallaby Grey WALLABY® Native Grey
RT711UVAG Armour Grey WINDSPRAY® Armour Grey
RT711UVGULLG Gull Grey SHALE GREY® Gull Grey
RT711UVBUSHG Bush Grey BUSHLAND® Earthtone
RT711UVCLAYB Clay Brown JASPER® Autumn Brown
RT711UVGULLY Gully Brown GULLY® Ravine
RT711UVMGROVE Mangrove Green MANGROVE® Tidal Green
RT711UVRG Rivergum WILDERNESS® Rivergum
RT711UVMG Mist Green PALE EUCALYPT® Mist Green
RT711UV2031 Heritage Green COTTAGE GREEN® Heritage Green
RT711UVSC Smooth Cream CLASSIC CREAM® Smooth Cream
RT711UVMB Merino Beige PAPERBARK® Merino
RT711UVBEACH Beach SANDBANK® Desert Haze
RT711UVW Wheat Wheat
RT711UVSCOVE Sandcove COVE® Inlet Beige
RT711UVBEIGE Beige Beige
RT711UVMBLUE Mountain Blue DEEP OCEAN® Mountain Blue
RT711UVBLUES Bluestone IRONSTONE® Metal Grey
RT711UVHR Heritage Red MANOR RED® Heritage Red

Preparation & Installation

The base preparation guide should be taken as a guide only. Specific details on the construction of a tank base should be referred to an engineer for formal advice. Kingspan Water & Energy accepts no responsibility for the failure of a tank base.


The KPoly range of water tanks come with a 10 years replacement warranty​.

Should the tank fail to perform its function for which it is made due to a manufacturing fault during the 10 year warranty period, Kingspan Water Tanks at its discretion may repair or replace the tank at no cost to the customer.

Click here for comprehensive warranty information.

Looking for help?

Delivery and

Calculate the delivery price of your water tank or check out our supply and install service in NSW Metro areas.

tank service and maintenance

If you are an owner of a water tank in need of servicing, get in touch with our service team and we'll look after you.

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tank expert

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