i have a bottom sash window that needs new coils both sides
See photo
this photo is of the top sash coils which is working
Bottom part of the coil has a 5 stamped on it
Top part of the coil has a 7 stamped on it
both in the same window channel
Tom from SWISCO responded:
May 5, 2016
Hello! Thank you for contacting us. Please see the following parts: 15-087 pivot shoe, 15-086
spring cover, and finally our S180-5 and S180-7 coil springs. Please review these parts and see how well they match.