window balancer parts

A quick learner from san diego says:

this is one of the balancers, the spring is stamped 7.5 31" and a number 52323.the window weighs 14.1 lbs, measured it on a scale. I believe the spring can be replaced with a 160?.I will need 4 of each part listed , just want to make sure I'm getting correct parts. parts required. 4 7.5 lb springs

4 pivot shoes part #15-191?

4 bumpers

4 1/2 inch coil spring single support 15-150S ?

any help would be appreciated, thanks,

brian 

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Casey from SWISCO responded:

Hello,

I agree that the part you've picked out are the correct replacement parts as long as the dimensions on our product page match up to yours. Based on your sash and stamp code, you'll need one S160-7 on each side of the window. Thank you!

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