Metal measures 28"; Marked 27 3; and BSI and PB

Quick Learner from tucson, arizona
Please help identify from pictures.
User submitted photos of a window balance.
2 Replies
Tom
Tom from SWISCO
SWISCO
Expert
This balance is going to be an S380-28 or an S385-28 channel balance. I can't tell by looking; you have to measure. The 1" shoe below would mean you have Series 380, whereas the Series 385 has a 1-3/32" shoe. You can consider the 2730 option, but you need to weigh your window sash to be sure. It will weigh 13 to 19 pounds, if your option is correct.
Comparison of 15-004 and 15-005
Comparison of 15-004 and 15-005
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