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Ashland Optima Short Dual-Arm Casement Window Operator, Stainless Steel

Part Number: W1491S
Price: $39.95
Water resistant system is equipped with o-ring seal technology integrated within the operator.
New composite assembly that insulates the operator thermally and reduces transfer of heat and cold into the home.
AAMA Commercial grade 901-96 cycle test; 101 load rating; DP70 rating.
Dual-Arm Operators are designed to work on windows from 24" [609 mm] in width up to 36" [914 mm].
It is used in conjunction with the sash bracket and track assembly shown.

Spline Diameter: 3/8 inch
Arm Length: 10 inch
Short Link Length: 4-7/8 inch
Base Width: 5-1/8 inch at Cover
Handing: Left and Right as shown (see images)

Markings:
1491-120B Housing
S-1081-71 on Short 4-7/8 link
S-1491-160 on Straight Main Arm
S-1491-165 on Short Main Arm

Priced and sold each.