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The PRIME LINE PRODUCTS H 3711 is a 9-inch right-hand diecast casement window operator designed for square-type casement window hardware installations. Built from diecast construction, this operator delivers the structural rigidity needed for reliable crank-style window operation. At 5.68 pounds per package of 6 units, each operator is a solid, well-weighted component suited for residential and light commercial casement window service. Glaziers, carpenters, and general contractors typically install this part when replacing worn or broken casement operators on square-drive casement window assemblies.
This operator is intended for right-hand casement window configurations where the crank mechanism mounts on the right side of the window frame. It is commonly used in residential window repair and replacement applications involving square-type casement operator hardware. The carded packaging makes it practical for both individual sale and job-site distribution. Installers replacing aging casement hardware on single-family homes, apartments, or light commercial buildings will find this a direct-fit operator for the appropriate right-hand square-type application.
Designed as an OEM-style replacement for square-type right-hand casement window operators in residential and light commercial window assemblies.
Installation is typically performed by a glazier, carpenter, or experienced maintenance technician. Before replacing the operator, fully close the window sash and disengage any locking hardware to relieve tension on the arm. Remove the existing operator by unfastening the mounting screws at the frame, then align the replacement unit to the same mounting footprint before securing. Verify the arm engages the sash track correctly and operates smoothly through the full range of motion before completing the installation.
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