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Dayton 2TGH9 galvanised steel retaining angle, 11 by 23 inches, horizontal or vertical mount

Dayton

Dayton 2TGH9 Retaining Angle hvac control

SKU CH-J3X5-1VQ54

Galvanised steel retaining angle for horizontal or vertical damper mounting, 11 3/4 in by 23 3/4 in, UL 555 rated

  • Galvanised steel construction resists corrosion
  • 20-gauge thickness provides structural rigidity
  • 11 3/4-inch height fits standard duct openings
  • 23 3/4-inch width spans common damper frames
  • UL 555 listing confirms fire-damper compliance

Product Identity

This Dayton 2TGH9 retaining angle is a galvanised steel component for HVAC damper installations. It suits technicians and maintenance crews who need a code-compliant bracket for vertical or horizontal mounting.

Installation Notes

The angle is made from 20 ga galvanised steel and carries a UL 555 listing, so it meets common fire-damper standards. Its 11 3/4 in height and 23 3/4 in width must match the damper frame exactly, otherwise the assembly will not pass inspection.

Critical Specification

The single deciding factor is the UL 555 rating combined with the 20 ga galvanised steel construction; without that listing the part cannot be used in fire-rated ductwork. Buyers who need a different gauge or a non-listed bracket should look elsewhere.

Highlights

  • Galvanised steel construction resists corrosion
  • 20-gauge thickness provides structural rigidity
  • 11 3/4-inch height fits standard duct openings
  • 23 3/4-inch width spans common damper frames
  • UL 555 listing confirms fire-damper compliance

Specifications

BrandDAYTON

Questions about this item

How can I confirm the retaining angle is installed correctly after mounting?

The angle should sit flush in either a horizontal or vertical orientation and align with the damper frame using the 20 ga galvanised steel construction.

What components are included and what must be sourced separately?

The package contains the retaining angle made of 20 ga galvanised steel; fasteners and any damper hardware are not included.

Which mounting orientation suits my ductwork — horizontal or vertical?

The angle is designed for both horizontal and vertical mounting, with an actual height of 11 3/4 in and width of 23 3/4 in.

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