Channel balance identification

Landlord from California
Hi,
The channel balance springs have broken on two windows and I suspect two more will probably fail soon. I plan to purchase (4) pairs of channel balances. These are stamped with BSI 2730. The aluminum rail is 28" long.

Please advise on replacement parts.

Thanks!
Linsey
User submitted photos of a window balance.
5 Replies
Landlord from California
One other detail I left off my initial post... the width of the rail is 5/8".

Thanks!
Tom
Tom from SWISCO
SWISCO
Expert
Thank you for your inquiry. You may want to begin by taking a look at our Series 390 channel balance. Perhaps this may be what you have been looking for. Please get back to us and let us know if you agree.
Landlord
Thanks for that info. Order placed!

Look forward to getting these.
Tom
Tom from SWISCO
SWISCO
Expert
We appreciate your business. Please let us know if you should need us again in the future.
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