Coil balance

A quick learner from Lebanon NJ says:
September 14, 2023

Coil balances broken. On the cover plate for the most part is showing numbers 1 and 7. Another one 7 and 8. Same size windows. The sash weighs 21,8 lbs. it will be for four windows total replacement of coil balancers. My name is Ray. Thanks.

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Casey from SWISCO responded:
September 14, 2023

Hello,

Our records indicate that the company that made your pivot shoe is no longer in business. I believe our 15-177 could still work as a replacement, which uses the S152 coil springs. Just make sure that the dimensions below match up to yours. 

Alternate image for 15-177
Alternate image for 15-177

We would also need to see your pivot bar uninstalled to confirm if it would be compatible with the new pivot shoe. If it has two prongs sticking out, you will need to file them off to fit the new shoe. Take a look and see what you think. 
A quick learner from Lebanon NJ says:
September 15, 2023
I checked my pivot shoes and spring covers and bushings they are all good. Can I change just the springs? If so what number springs to order and costs. It will be for 4 windows bottom sages only. They weighed 21.8 lbs. the pivot arms did have the lobes on the ends. I attached the pictures of them. Thanks Ray.
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Casey from SWISCO responded:
September 15, 2023

You may be able to replace just the coil springs as long as the originals match the 1/2" width of the S152. If you decide to give it a try, you would need to use one S152-5 and one S152-6 on each side to support the weight of your sash. 
Coil Balance Shoe, Slate Blue
Coil Balance Shoe, Slate Blue
15-177
$3.47
Coil Bushing
Coil Bushing
15-143
$0.97
Coil Bushing Cap
Coil Bushing Cap
15-144
$0.70
Coil Support Barrel
Coil Support Barrel
15-145
$0.49
5 lb Series 152 Coil Balance
5 lb Series 152 Coil Balance
S152-5
$4.80
6 lb Series 152 Coil Balance
6 lb Series 152 Coil Balance
S152-6
$4.80
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