LT45 Install Instructions

Elbow Assembly Tabs
Bend Tabs Straight Up
Assembly Tabs Securing Elbow Joint
Flatten Tabs / Screw Secure
Tape Joints Along Flange
  1. Bend all the tabs straight up with a flat screwdriver.
  2. Mate the two parts so that the screw holes line up.
  3. Secure the flanges with three sheet metal screws.
  4. Bend tabs down and tape the joints along the flange.
  1. Model LT45 should be measured as .75 feet against the total allowable duct length. See engineering information based on ASHRAE calculations and code references: 2012 IMC Table 504.6.4.1 and IRC Table M1502.4.4.1 for 10" radius fittings.
  2. Arrow indicates airflow direction from dryer and provides for proper male and female connections.
  3. For attic space installations, one LT45 can be used so the duct extends straight through a pitched roof.
  4. Two LT45s can be used in conjunction to complete a ninety degree turn running diagonally to shorten total run length.
  5. Tandem LT45s can be used to offset the duct run by six inches.
LT45 PDF Installation InstructionsClick Here for Printable Instruction Sheet