Collars – Plate Mounted Start – Top Hats

The Perforated Return Air Top Hats are made from high quality sheet metal

442776 Metal PerforatedReturnAirTopHat 640x640
442776 Metal PerforatedReturnAirTopHat 640x640
  • Made from sheet metal.

  • Comes in various sizes in circular and ovalised.

  • Generally used for gas heating installations, specifically where a return air is going to be located in a cupboard or under the stairs.

Perforated Return Air Top Hat

Item #DescriptionNominal Size (mm/inch)
442776 Adaptor Metal RA Top Hat Duct Ø250 / Ø10
442777 Adaptor Metal RA Top Hat Duct Ø300 / Ø12
442778 Adaptor Metal RA Top Hat Duct Ø350 / Ø14
442779 Adaptor Metal RA Top Hat Duct Ø400 / Ø16
442633 Adaptor Metal RA Top Hat Oval Perf EQØ300 / EQØ12
442634 Adaptor Metal RA Top Hat Oval Perf EQØ350 / EQØ14

 EQ: Equivalent