S2300-FR / S2300A-FR Fire Rated Diffuser, Steel

Square/ Round Diffusers

The S2300-FR and S2300A-FR are steel fire rated square ceiling diffusers that deliver supply air in a true 360° pattern with an integral fire damper for use in ceiling plenum applications requiring smoke and fire control. All sizes feature three concentric cones for a consistent appearance. The S2300-FR offers a fixed horizontal discharge pattern, while the S2300A-FR adds adjustable vanes to vary the discharge pattern from horizontal to vertical.

Delivers supply air in a true 360° air pattern
Designed to protect ceilings from streaking and smudging
Excellent for variable air volume (VAV) systems
3-cone concentric design provides uniformity and enhances appearance
S2300A-FR: screwdriver-adjustable vanes for vertical-to-horizontal discharge
Quick inner cone removal with hex key speeds installation
Heavy gauge steel construction with integral fire damper

S2300-FR / S2300A-FR Fire Rated Diffuser, Steel

Product Application

The S2300-FR and S2300A-FR are steel fire rated ceiling diffusers designed for ceiling plenum applications where smoke and fire control is required. Both models feature an integral fire damper and deliver a true 360° air discharge pattern that protects ceilings from streaking and smudging. The S2300A-FR adds fully adjustable vanes — controllable with a standard screwdriver — that vary the discharge from horizontal to vertical without removing the inner cone.

Features

Heavy gauge steel construction with integral fire damper
Delivers supply air in a true 360° air pattern
Designed to protect ceilings from streaking and smudging
3 concentric die-stamped cones in all sizes for uniform appearance
All cones are one-piece construction with smooth, clean surfaces and no corner joints
Available in 12×12 and 24×24 ceiling module face sizes

S2300A-FR: adjustable pattern controller vanes vary discharge from vertical to horizontal (screwdriver adjustable, no cone removal required)
Quick inner cone removal with hex key speeds installation and damper access
Excellent for variable volume systems — nearly horizontal jet maintains effective distribution across a wide airflow range
Optional accessories: butterfly damper, opposed blade damper, combination damper/equalizing grid, radial sliding blade damper, equalizing grid, sectorizing baffles
Standard finish: White #26
Integral fire damper with non-asbestos thermal insulating blanket

Benefits

Efficient Design

The 3-cone concentric steel design with integral fire damper delivers a uniform 360° air discharge pattern while meeting fire and smoke control requirements.

Exceeds Requirements

The nearly horizontal jet from the outer cone maintains effective room air distribution while the integral fire damper ensures compliance with fire-rated ceiling plenum requirements.

Unparalleled Performance

Quick inner cone removal with a hex key speeds installation. The S2300A-FR allows screwdriver adjustment of the volume control damper without removing the inner cone.