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Bob from SWISCO responded:
September 17, 2020
This looks like an S380-30 potentially, but measure the bottom nylon shoe depth, or 'heel-to-toe' measurement. Is it 1", or less? If it's less, you might need a custom made balance with the 15-029 7/8" shoe instead. We can build that for you without issue; just let us know. We also need to know if there's any stamp code on the metal channel. If there is none, we need the exact weight of the window sash. |
