Replacement operator
Home Owner from Massachusetts
Nov 16, 2025 11:05 am
Hello, I need to replace my dual-arm Truth operator and need help selecting the correct one. The length of the fixed arm is about 9.5 inches from center to tip. I have attached photos from above and one looking up from below. Thanks!
3 user uploaded images
4 Replies
Jasmine from SWISCO
Nov 17, 2025 11:17 am
Thanks for writing in! Your window operator can be replaced with the 39-253LB Encore Dual Arm Operator. It uses the 39-529 Truth Hardware Track Slider to attach to the 39-528 Casement Track. You may also need either the 39-375 (folding) or 39-451 cover kits, since this operator does not come with a cover and handle.
The opposite versions of the operator and handle kits can found tagged below this thread.
Dimensions for 39-253LB
Home Owner from Massachusetts
Nov 24, 2025 3:57 pm
Thank you for recommending 39-253LB. Is this Operator available with the "mounting base" in a beige color (instead of grey)? Also, can you tell if my current cover kit is compatible with this Operator (based on the pictures included in the original post)? Thank you again!
Jasmine from SWISCO
Nov 25, 2025 9:06 am
No, I'm afraid this operator isn't available with a beige base. You can reuse your old cover with handle if it can be removed from the operator base. Some older-style operators have the cover built into the base, which isn't designed to be removed.
If that's the case for you, you would need the 39-451.
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