Fire Rated Plenum Slot Return
Titus model TBDR-FR is a UL classified fire rated plenum slot diffuser assembly listed in Underwriters Laboratories Fire Resistance Directory. Its design meets UL time-vs-temperature test criteria and NFPA 90A requirements. The TBDR-FR can be used in three-hour fire rated, exposed grid, suspended ceilings.
  • Fire rated plenum slot diffuser designed to meet UL time-vstemperature test criteria, also NFPA 90A requirements
  • Fire rated reurn unit has a light baffle to prevent light transmission and line of sight into the ceiling plenum
  • Designed to provide the same efficient return performance as the supply diffuser
  • Damper with fuse link (212° F)
  • 3-hour, or less, fire rated exposed grid, suspended ceilings
  • Choice of 3/4”, 1” or 11/2” slot width, 1 or 2 parallel slots
  • Available in 24”, 36”, 48” nominal lengths
  • Material is steel