Additional Information

Site Information

  • Extension for PolyTanks to create a Type A/B Air Gap.
  • The Air Gap Extension Chamber converts all Polytanks to meet legislation where at Type AB Air Gap is required.

Type A/B Air Gap Chamber for Polytanks


Prices include VAT


Product Description

Polytank PolyA30 Air Gap Chamber with Weir

Converts all Polytank water tanks to meet UK legislation to provide a Type AB air gap. 

WRAS approved. Easy to fit.

Polytank A30 is designed to accommodate a maximum flow rate of 62 litres/minute (i.e. BS1212 part 2 float operated valve with a No. 9 - 9.5mm (3/8" bore seat).

A maximum float size of 178mm (7") can be accommodated.

Technical Information

  • Colour: Black
  • Material: MDPE
  • WRAS approved
  • Complies with BS4213.2004


Max Dimension before fixing:

  • LENGTH: 375mm (15")
  • WIDTH: 245mm (10")
  • HEIGHT: 230mm (9")

Included Components

  • PolyA30 Chamber with Weir
  • PolyA30 seal
  • 10 SS screws
  • J4 insulation
  • Extended arm
  • Fixing instructions

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