800 Litre Fluid CAT5 Type AB Air Gap Break Tank

£540.00 exc. VAT (inc. VAT £648.00)

In Stock


  • Fitted with screened overflow and weir
  • WRAS approved
  • Available in black, boat blue or natural colour options only
  • Lid 455mm
  • Supplied as standard with 1.5” outlet
  • Dimensions: (mm) 1200 L x 600 W x 1800 H
  • 100% rust proof
  • UK manufactured
  • Supplied from stock for fast delivery
  • Guaranteed for 10 years

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


For pricing and availability, please email sales@enduramaxx.co.uk with your requirements

Drop Arm Float Valve Options

WRAS Approved

Customer Offloading *

It is the customers responsibility to offload, a HIAB is available for an additional fee

Enduramaxx 800 litre Category 5 Break Tank is fitted with a Type AB-Air gap weir overflow for complying with the Water Supply (Water Fittings) Regulations 1999. The weir overflow (Fluid 5) which is non-mechanical backflow prevention for inlets up to 32mm. Many water authorities demand that water storage tanks connected to the mains water supply have suitable measures to protect the mains from contamination. The AB Airgap is designed to prevent the inlet to become submerged and stop the water within the tank contaminating the mains water supply should there be a backflow pressure drop in the mains.

These 800 litre Category 5 Break Tank are made from rotationally moulded polyethene, fitted with a cowled overflow to prevent the ingress of light into the tank and a stainless steel mesh to prevent the ingress of debris into the tank. Larger weirs can be specially made for larger inlets.

This arrangement of fittings for compliance with the Water Supply (Water Fittings) Regulations 1999 in England and Wales and the technically identical Scottish Water Byelaws 2004. The installation and use of cold water storage cisterns and sectional tanks connected to the public water supply must comply with these conditions. This portable tank is WRAS (Water Regulations Advisory Scheme) approved, insulated options are available if required. This break tank is supplied with the screened overflow and weir installed to meet the requirements of WRAS Fluid Category 5 Break Tanks, also known as a Fluid Cat 5 break tank, Fluid Cat 5 tank and Fluid Cat 5 booster set tanks.

Additional information

Dimensions 120 × 60 × 185 cm

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