Hello -
I am a property manager trying to get a channel/block and tackle sash balance replaced for a tenant remotely...I don't have access to take measurements, but have included several photos provided by the tenant. The only marking on the back of the channel are: "21 5" and in smaller text with different orientation about 1" to the right, "BSI" or possibly "BS1". Photo of these markings is attached here. I would be looking to order 4 sets of these same balances.
Thank you in advance for your help!
Channel Sash Balance Help

Landlord from San Rafael, CA
Sep 10, 2024 5:46 pm
3 user uploaded images
3 Replies

Quick Learner
Sep 11, 2024 8:56 pm
21.5" Length, 9/16" width. "21 5" stamped on the back. Bottom fitting has a roller in it. Window manufacturer is unknown. Seeking 8 balances total. I had submitted a request yesterday indicating I was seeking better photos and measurements. Those are now included here. I look forward to hearing from you soon.
5 user uploaded images

Casey from SWISCO
Sep 16, 2024 9:19 am


Hello,
We just sent over an order link and price quote for the balances you requested. Please note that the metal channels of your balances should measure 21-5/8" long, not including the end fittings. Take a look and let us know if you need anything else. Thank you!