Screw size and type for the 87-138

Unfortunately, in Keller's manual, they don't specify the screw size, so we're not exactly sure what screw you will need for your window. I'm guessing it is either a #6 X 1" long or a #8 X 1" long screw. Look at the 33-010 or the 33-017. You will need to remove your screw and compare it. You could also take the screw to a hardware store in your area to have them match it up for you.

Glad to hear it worked out. Let us know if you need any help placing an order. Good luck with the repair!