Screened Spill Over Weirs for Type AB Air Gap are made from 316 stainless steel mesh and are designed to prevent backflow contamination in water storage tanks connected to mains supply. Compliant with BS EN 13077:2008, these weirs are available in cowled and framed versions for different inlet sizes and installation settings.

  • Screened spill over weirs for backflow prevention in water tanks

  • Made from 316 stainless steel mesh

  • Compliant with BS EN 13077:2008

  • Cowled weirs suitable for indoor and outdoor use, framed for indoor use

  • Range covers inlet sizes from 1/2" to 3"

  • Helps achieve Category 5 (Type AB) air gap protection

  • Prevents light ingress (cowled versions)

Dimensions

Weir sizes from 400 x 95 mm to 400 x 230 mm

Materials

316 stainless steel mesh

Options and variations

Cowled and framed weirs for inlet sizes 1/2" to 3"

Accreditations

Compliant to BS EN 13077:2008