Need 2 replacement balances for non-swiveling window

Question

28" long and 1/2" wide with the above markings and details. 2730 BS1 Installed in new home around 2002.

Thanks!

Tom · Accepted Answer

In our system, a 28" balance with a winged bottom and wingless top is known as S350-28. You can order "2730" from our site to match the old balance.