Please help!

Question

The part number says c-9400-1 arm length is just over 8 inches. The window type is Anderson. Any direction you may have would be great.  The number on the arm is 1521101   Brass plate underneath reads f-9400-8 with the letter B underneath

Bob · Accepted Answer

See either the 39-099 Andersen Awning Operator or the 39-331 E-Z Operator, depending on the attachment at the end of the arm. Look over both to see if one of these matches what you need.