Casement window operators (Truth brand)

Question

Lefthand:
insert 4 7/8"
short arm 4 7/8" 31876
long arm 10 1/4" 41011
connector 31858
Righthand
insert 4 7/8"
short arm 4 7/8" 31876
long arm 10 1/4" 41012
connector 31858
The sliders look to be the smaller (253) ones.

Emily · Accepted Answer

Hey there!

Thank you for reaching out to us. Take a look at the 39-253LB and 39-253RB operators. These are designed to use the 39-529 track slider, which is sold separately. Review the specifications and see if they match what you need.

Dimensions for 39-253LB

Dimensions for 39-253RB

Alternate image for 39-529

Alternate view with measurements