Coil spring for windows

Professional from Pittsburgh, PA
Good afternoon.  Maintenance supervisor for 277 unit apartment complex.  Looking for replacement coil springs for some of our windows.  I need help identifying what I have so I can order some replacements and coil covers to go with them.
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8 Replies
Casey
Casey from SWISCO
SWISCO
Expert

Hello,

Your coil spring resembles the S165 at first glance but you'll need to confirm your part measures 3/8" wide. If there are no numbers stamped on the coil, you'll need to weight the sash to determine the strength options needed for your replacements. The weight would be divided by the number of coils used on each side. Thanks for posting! 

Professional from Pittsburgh, PA
Yes, the coil I have is 3/8" wide.
Casey
Casey from SWISCO
SWISCO
Expert

Great. Now you'll need to determine the sash weight to choose the corresponding strength options. 

Professional from Pittsburgh, PA
I just returned from weighing one of our windows.  17lbs and change.
Casey
Casey from SWISCO
SWISCO
Expert

In that case, you can use one S165-4 and one S165-5 on each side of the sash. We also offer the 15-204 support commonly used with these coils. Just let us know if you need anything else. 

Professional from Pittsburgh, PA
Thank you, Casey.  You have been very helpful.  Have a great day!
Casey
Casey from SWISCO
SWISCO
Expert

It's our pleasure! 

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