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The H 3514 casement window operator is a left hand aluminum square body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 3/8 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7/8 and 4-3/4 in apart.
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The H 3520 casement window operator is a right handed aluminum square body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 3/8 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7/8 and 4-3/4 in apart.
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The H 3710 casement window operator is a left hand white square body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 3/8 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7/8 and 4-3/4 in apart.
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The H 3711 casement window operator is a right hand white square body type. It has a 9 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 3/8 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available are 3-7/8 and 4-3/4 in apart.
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TH 23076 is a left handed dual arm operator with a 4-1/16 in offset (up) link arm. The long continuous arm and the jointed arm create an action that pushes the sash open while pulling the hinge side of sash to the open position. This is the mechanism only - no cover or crank handle included (optional). The heavy-duty die-cast zinc operator base, worm drive, gears as well as the steel arms and stud bracket are protected with the corrosive-resistant E-Gard? coating process.
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TH 23077 is a right handed dual arm operator with a 4-1/16 in offset (up) link arm. The long continuous arm and the jointed arm create an action that pushes the sash open while pulling the hinge side of sash to the open position. This is the mechanism only - no cover or crank handle included (optional). The heavy-duty die-cast zinc operator base, worm drive, gears as well as the steel arms and stud bracket are protected with the corrosive-resistant E-Gard? coating process.
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