Collars – Plate Mounted Start – Top Hats
The Perforated Return Air Top Hats are made from high quality sheet metal
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Made from sheet metal.
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Comes in various sizes in circular and ovalised.
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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 # | Description | Nominal 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