Assembling and Installing the Model LT90 LT90 PDF Tech Specifications

  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 five sheet metal screws.
  4. Bend tabs down and tape the joints along the flange.

  1. Model LT90 should be measured as 1-1/2 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. When used with the Model 4D “Down” Dryerbox®, cut and insert a 3” long section of snaplock pipe to transition into port for adequate flex connection.

Elbow Assembly Tabs

Bend Tabs Straight Up

Assembly Tabs Securing Elbow Joint

Flatten Tabs / Screw Secure

Tape Joints Along Flange

45 and 90 Degree Smooth Elbows
Ten Inch Radius Smooth Interior Dryer Duct Elbows
In-O-Vate Technologies Incorporated
810 Saturn St, #21, Jupiter, FL 33477

                          Phone: 888-443-7937
                          Fax: 800-308-9345