Bulletin LU-1 September 1997 Supersedes LU-1 Dated May 1993
LU SERIES
INDOOR / OUTDOOR
DIRECT GAS-FIRED MAKE-UP AIR SYSTEMS
DIRECT GAS-FIRED MAKE-UP AIR HEATERS
TO REPLACE EXHAUST AIR
TO ELIMINATE AIR STARVATION
TO ELIMINATE NEGATIVE PRESSURES
TO ELIMINATE CONTAMINATED AIR
TO ELIMINATE INFILTRATION
FOR SUMMER VENTILATION
APPROVED UNITS AVAILABLE
