CONSTANT FORCE SPRINGS FOR TILT APPLICATIONS

Question

Hello here is a photo of one of the two constant force springs that i need (left and right) the bottom window weight is 17.5 LBS the numbers on the springs are 5.15x and 4.16x i hope this can help in identifying the correct parts Thank You Marc,

Casey · Accepted Answer

Hello,

This looks like our 15-087 shoe, which uses Series 180 coil balances. For your sash weight, you would use one S180-4 and one S180-5 on each side of the window. Thanks for posting!