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Truth Entrygard Dual Arm Operator. We would expect you to find 20810 on the linkage arm, which measures 4-7/16" overall length. This is the most common size we find in use. Other common numbers we would expect to find are 31538, 31539, 30841, 30842, 30472, 30470, 20810, or 20544. Also known as a TH-23076 or TH-23077.

4-7/16" link dimension, offset up. For offset down, order Wi1561.

Order Wi1516 if your link dimension is 3-3/4" stamped 20755.
Order Wi1515 if your link dimension is 2-7/8" stamped 20748.

MOST POPULAR SIZE

To determine hand of operator, if your sash lock (window lock), is on the left, you would use a left hand operator. And if your sash lock is on the right, you would order the right hand operator.

PART # HAND

WI1510R RIGHT HAND-Shown Below

WI1510L LEFT HAND-Shown Below

Truth Entrygard Dual Arm Operator. We would expect you to find 20755 on the linkage arm, which measures 3-3/4" overall length. Other common numbers we would expect to find are 31538, 31539, 30841, 30842, 30472, 30470, and 20755.  Call or email for quantity "Discount Codes".

To determine hand of operator, if your sash lock (window lock), is on the left, you would use a left hand operator. And if your sash lock is on the right, you would order the right hand operator.

3-3/4" link dimension, offset up. For offset down order Wi1520

Order Wi1510 if your link dimension is 4-7/16" stamped 20810.
Order Wi1515 if your link dimension is 2-7/8" stamped 20748.

PART # HAND

WI1516R RIGHT HAND-Shown Below

WI1516L LEFT HAND-Shown Below

Truth Entrygard Dual Arm Operator. We would expect you to find 20810 or 20544 on the linkage arm, which measures 4-7/16" overall length. This is the most common size we find in use. Other common numbers we would expect to find are 31538, 31539, 30841, 30842, 30472, 30470, 20810, or 20544.  Call or email for quantity "Discount Codes".

For offset up, order Wi1510.

To determine hand of operator, if your sash lock (window lock), is on the left, you would use a left hand operator. And if your sash lock is on the right, you would order the right hand operator.

PART # HAND
WI1561R RIGHT HAND-Shown Below

WI1561L LEFT HAND-Shown Below

The Truth 14.75 hinge is the most common of the Truth Casement Hinges. The stainless steel track is 10" long, the glide is a plastic coated steel. The most common problem on this hinge is the shoe. When the hinge is installed incorrectly or not maintained the shoe could pull out the window track. Common numbers found on this hinge are 30744B, 31133C, 40942 and 40941.

This Truth hinge is used on the Wi1510, Wi1511, Wi1516, Wi1518, Wi1531, Wi1532, Wi1594 and Wi2301.

This hinge is sold in pairs (one top and one bottom). If your window is the opposite hand, the top hinge goes to the bottom and the bottom hinge goes to the top.

The Fenestra Window Operator 4-1/4" was used between 1930 to 1970.  The operator features die cast metal construction with a steel arm.   The original version was made of cast bronze, which in today's market would be cost prohibitive.  This unit ships with handle and mounting screws.

Right Hand Operator shown in picture.

Handing Diagram