Enduramaxx 300 Litre CAT 5 AB Air Gap Water Tank

Save £112.80
Delivery Cost £75 +Vat (Tail Lift Available) | 5-7 Days
EnduramaxxSKU: 17250501CAT5

£341.00 exc. VAT
Sale price£409.20 Regular price£522.00

Tax included



This Enduramaxx Category 5 AB Air Gap Water Tank is supplied with 13mm of insulation as standard and a weir overflow. Each WRAS Approved 300 Litre AB Air Gap Tank comes with a fitted cowled overflow to prevent light ingress into the tank and a stainless steel mesh to prevent debris getting into the tank. This tank is rotationally moulded from virgin polyethene for strength and is 100% rust proof and guaranteed for 10 years.

This Potable Water Tanks Weir Overflow is a non mechanical backflow prevention design to comply with Water Supply Regulations 1999 and Scottish Water Byelaws 2004. Any cold water storage cisterns and tanks connected to the public water supply must comply with these conditions.


  • Capacity: 300 Litres
  • Fitted with screened overflow and weir
  • WRAS approved
  • Closed-cell structure provides built-in vapour barrier
  • Tank UV resistant for outdoor use
  • Height: 1500mm
  • Diameter: 700mm
  • Weight: 20kg 
  • Colour: Black
  • Virgin Medium Density Polyethylene (MDPE)
  • 455mm Lid
  • 1.5" Outlet as standard
  • 10 Year Warranty Against Manufacturing Defects

Optional Extras:

  • WRAS Approved Drop Arm Ball Cock and Float Valve -  In sizes 1/2", 3/4", 1". Other sizes are available

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