These balances are for Viking non-tilt vinyl windows approximately 25 years old. Marked "20 4 HP CALDWELL. I looked at your part identifier, and was pretty confident on the bottom shoe, but the top shoe looked a little different than anything else shown. What do you think?
Casey from SWISCO responded:
July 14, 2020
Hello,
Take a look at our S395-21 channel balance with a 2040 spring strength option. Thanks for posting!