Window Spring Tensioner needed

Contractor from McKinney, TX
Hello these windows were installed sometime in the year 2000.  There is a stamp on this particular window side channel that says 29B/BSI/MB. I am looking for the spring parts that I can replace on the sides of the windows as these windows are not holding themselves up properly. 
I have identified the spring loaded tilt latch as being a F-2737 Prime line Web site or your product code 26-477.  The tilt latch is 1-3/8" on center holes.  2-9/16" long, has screw holes on top, and is 5/16" thick, and 15/16" wide.  
 
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2 Replies
Casey
Casey from SWISCO
SWISCO
Expert

Hello,

We'd be happy to help but we would need to see photos of an intact balance removed from the other side or an identical window to narrow down your options. Please make sure to include where the top of the balance attaches to the window jamb and the clip at the end of the pulley cord. Thank you! 

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