Stamp on side

Home Owner from Winter park, CO
Sep 27, 2021 2:09 pm
Stamp says 2740 BSI O.H.
5 user uploaded images
2 Replies

Casey from SWISCO
Oct 1, 2021 10:37 am


Hello,
It looks like you have either our S351-28, with a 15-002 bottom attachment, or S390-28, with a 15-001 bottom attachment. Take a look at the image below to determine which balance you'll need. You'll also need a 2740 spring strength option for your replacement balances. Thank you!

Comparison of the S351 and S390 balance shoes.
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