Coil spring for windows

Professional from Pittsburgh, PA
Jan 17, 2025 2:36 pm
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.
4 user uploaded images
8 Replies

Casey from SWISCO
Jan 21, 2025 1:58 pm


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
Jan 21, 2025 2:36 pm
Yes, the coil I have is 3/8" wide.

Casey from SWISCO
Jan 21, 2025 2:45 pm


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

Professional from Pittsburgh, PA
Jan 21, 2025 3:27 pm
I just returned from weighing one of our windows. 17lbs and change.

Professional from Pittsburgh, PA
Jan 21, 2025 3:36 pm
Thank you, Casey. You have been very helpful. Have a great day!

Casey from SWISCO
Jan 22, 2025 8:14 am


It's our pleasure!
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