Norco Window D Series Clad Wood Casement Operators

Single Arm Operator - Norco,wood and clad casement and awning window parts. Windows may have a single-arm or dual arm operator.  SPECIFY 9 1/2" OR 13 1/2" ARM LENGTH AND HANDING - in the comment section at checkout. Series Ellipse Window Operators, Dyad Operators and Parts, 23 Series Window Operators - We're All Your Casement and Awning Operator Needs!

• Comes in right hand or left hand.
• Available in 9 1/2" or 13 1/2" arm length.
• Shipped complete with #BB-PP.454 crank handle and screws.
• To Order:

1. Determine arm length. Measure from center of gear box to center of roller on arm.
2. Determine left or right hand. View window from outside; if hinged on left side, order a left hand operator; Right is opposite.

• See the 'A Measurement' below.
• The version with the 11" arm is no longer manufactured. If yours measures 11", replace it with the 9 1/2" version.