500 Litre Slimline Potable Drinking Water Tank – WRAS Approved 




  • WRAS approved, black or boat blue colour options only, supplied with a Bye-law 30 kit (Bye-law 60 in Scotland)
  • Supplied as standard with a 1.5” Outlet 177915 (other options available)
  • Lid: 455mm
  • Dimensions (mm) 900mm L x 615mm W x 1200mm H
  • 100% rust proof
  • UK manufactured
  • 10 year guarantee

Please note: Tank sizes quoted are subject to a +/- 3% variation


SKU: 171305-WRAS Categories: ,

500 Litre Slimline Potable Drinking Water Tank

Enduramaxx’s 500 Litre Slimline Potable Drinking Water Tank – WRAS Approved is 900mm L x 615mm W x 1200mm H and constructed from the MDPE polyethene which is UV stabilised. This tank is a one piece, seamless, rotationally moulded tank which guarantees strength, impacts resistance, durability and many years of use.  

Uses for this 500 Litre Slimline Potable Water Tank:  

  • Bulk water storage  
  • Back-up emergency drinking water supply  
  • Food industry  
  • Brewing and winemaking sectors  
  • Temporary water supply for events and festivals  
  • Domestic water solutions  
  • Civil engineering applications where mains water is unavailable  

WRAS Approved Drinking Water Tank  

All our 500-litre drinking water tank are WRAS(Water Regulations Advisory Scheme) approved and are available in black, boat blue or natural only. Our water tanks are all fully DWI approved and meet the specific requirements of Regulation 31.   

Fluid Category 5 Tanks  

In many installations, potable drinking water tanks which are connected to the mains water supply will need to be fluid category 5 approved.  More details on tank installations which come under this are available here.  We have options for these tanks here as well as insulation options for the water tanks to prevent thermal gain and loss.  

Equipment Mounting and Customisation  

The 500-litre drinking water tank is available with tank modifications options to suit your project.  Liquid level sensor assemblies, fill pipes, BSP threaded inlets, outlets, PN16 and ANSI flanges, welded sockets and as well as fume proof lids and vents are available for this 500l water tank.  

Delivery of Your Water Tank  

Our 500 litre drinking water tanks are manufactured by Enduramaxx at our factory in Lincolnshire. Most of these water tanks are stocked for collection or quick delivery throughout the UK. We are available to deliver to site for installers to save double handling of these tanks. in some cases where clients can’t offload the tank, we can offer Hiab deliveries which are priced upon request.  Please view our installation guide here 

How big is a 500 Litre Potable Drinking Water Tank?

Capacity  500 Litres 
Dimensions 900mm L x 615mm W x 1200mm H
Height  1200mm 
Outlet  1.5″ plastic male outlet with other options available
Lid  455mm dia lid 

Additional information

Dimensions 90 × 61.5 × 120 cm

Black, Blue

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Technical Specification 500 Litre Slimline Water Tank – 171305  Technical Specification 500 Litre Slimline Water Tank – 171305

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