The 15 Series EntryGard Operators have a high-pressure die-cast zinc base that is E-Gard coated. The gears and drive worm are made of hardened steel. The #15.101 Dual Arm Operators are designed for windows 20" to 32" wide up to 60" high. We would expect you to find 20810 on the linkage arm, which measures 4-7/16" overall length. This is the most common size we find in use. Other common numbers we would expect to find are 31538, 31539, 30841, 30842, 30472, 30470, 20810, or 20544. Also known as a TH-23076 or TH-23077.
Left Hand Shown
This is the most popular unit size, if you need a down link on the small arm order part 15.731
Order stud bracket, cover and handle separately if needed (see related products below). Use an entrygard cover. Any handle style will fit.