Shop for diecast casement operator left hand square

This Prime-Line H 3513 casement operator is constructed of a diecast housing and crank handle, with a 8 inch steel arm and a hardened steel worm gear mechanism. It features a square body and mounts on the left side of the window, when viewing the window from the inside looking out. This operator is used on older steel-framed casement windows, with a pair of mounting holes spaced at 3-7/8 inch and another at 4-3/4 inch on center. A crank handle and installation fasteners are included with this casement operator.

This Prime-Line H 3832 casement operator is constructed of a diecast housing and crank handle, with a 8 inch steel arm and a hardened steel worm gear mechanism. It features a square body and mounts on the left side of the window, when viewing the window from the inside looking out. This operator is used on older steel-framed casement windows, with a pair of mounting holes spaced at 3-7/8 inch and another at 4-3/4 inch on center. A crank handle and installation fasteners are included with this casement operator.

This Prime-Line H 3517 casement operator is constructed of a diecast housing and crank handle, with a 9 inch steel arm and a hardened steel worm gear mechanism. It features a square body and mounts on the left side of the window, when viewing the window from the inside looking out. This operator is used on older steel-framed casement windows, with a pair of mounting holes spaced at 3-7/8 inch and another at 4-3/4 inch on center. A crank handle and installation fasteners are included with this casement operator.

This Prime-Line H 3710 casement operator is constructed of a diecast housing and crank handle, with a 9 inch steel arm and a hardened steel worm gear mechanism. It features a square body and mounts on the left side of the window, when viewing the window from the inside looking out. This operator is used on older steel-framed casement windows, with a pair of mounting holes spaced at 3-7/8 inch and another at 4-3/4 inch on center. A crank handle and installation fasteners are included with this casement operator.

This Prime-Line H 3501 casement operator is constructed of a diecast housing and crank handle, with a 8 inch steel arm and a hardened steel worm gear mechanism. It features a square body and mounts on the left side of the window, when viewing the window from the inside looking out. This operator is used on older steel-framed casement windows, with a pair of mounting holes spaced at 3-7/8 inch and another at 4-3/4 inch on center. A crank handle and installation fasteners are included with this casement operator.

Restore smooth window operation with the Prime-Line H 3514 Left-Hand Casement Operator. Designed as a replacement for worn, damaged, or difficult-to-operate window hardware, this operator is commonly used on older steel-framed crank-out casement windows. It mounts on the left side of the window when viewed from inside the home looking outward, helping return proper sash control and reliable ventilation performance.Built for durability, this operator features a diecast housing and crank handle paired with a 9 in. hardened steel arm and precision worm gear drive mechanism. The aluminum-painted finish helps resist corrosion and wear while maintaining a clean appearance that blends with existing window hardware. Engineered for dependable everyday use, the robust gear system delivers smooth, controlled opening and closing of compatible casement window sashes.This replacement operator installs using two pairs of mounting holes spaced 3-7/8 in. and 4-3/4 in. on center, matching many older steel window designs. A matching crank handle and installation fasteners are included, providing a complete replacement solution. Before purchasing, compare the mounting pattern, spindle size, arm length, and overall operator configuration with your existing hardware to ensure proper compatibility.

This casement operator is constructed of a diecast body, a hardened steel arm (with a steel guide button at 9/16 in. in diameter), and a case-hardened worm gear mechanism that comes in a corrosion resistant plating. It features a square-shaped housing and an operator crank handle, and comes finished in a white painted color. This casement operator is left-handed, determined when viewing the window from the inside looking out. It is a face-mounted design that installs on older, crank-out casement, steel window frames with 3-7/8 in. and 4-3/4 in. mounting hole centers. This high-end quality operator exhibits minimal gear lash, with positive and smooth operation. For the opposite handing of this operator, see Prime-Line part H 4315. Installation fasteners and a set screw (for affixing the crank handle onto the operator spindle) are included with each operator.

Restore smooth opening and closing performance to older steel-framed casement windows with the Prime-Line H 3502 Left-Hand Casement Operator. Designed as a replacement for worn or damaged window operators, this assembly helps return proper functionality to crank-out casement windows while maintaining reliable sash control. It mounts on the left side of the window when viewed from inside the home looking outward and is commonly used on older steel-framed window systems.Constructed with a durable diecast housing and crank handle, this operator features a 9 in. hardened steel arm and precision worm gear mechanism designed for long-lasting performance. The aluminum-painted finish helps provide corrosion resistance while maintaining a clean appearance that complements existing window hardware. Its robust drive system delivers smooth, controlled operation for everyday window ventilation and use.The operator installs using mounting hole patterns spaced at 3-7/8 in. and 4-3/4 in. on center, allowing compatibility with many older casement window designs. A matching diecast crank handle and installation fasteners are included for a complete replacement solution. Compare operator dimensions, mounting locations, and spindle configuration with your existing hardware before purchasing to ensure proper fit.

This casement window operator is a left-handed, bronze, surface mount body type with four mounting holes in the top of the body and mounts directly onto the sill. It has a 9 inch steel arm with a round disc on the tip. The disc slides in the Prime-Line part H 3595 casement track located on the bottom edge of the casement window. It is worm gear driven by a 3/8 inch crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included.

This Prime-Line H 3711 casement operator is constructed of a diecast housing and crank handle, with a 9 inch steel arm and a hardened steel worm gear mechanism. It features a square body and mounts on the right side of the window, when viewing the window from the inside looking out. This operator is used on older steel-framed casement windows, with a pair of mounting holes spaced at 3-7/8 inch and another at 4-3/4 inch on center. A crank handle and installation fasteners are included with this casement operator.