Extended-Travel Channel Balance Quote
26 4 BSI VC
I'm not sure what you have, unfortunately. We have dozens of different balances with that stamp. It's not a product code or anything, it just indicates the strength of the spring.
In order to figure out what Series this is, I need you to remove an undamaged version of this balance from the window and show me clear pictures of the top and bottom nylon fittings. I will also need to know the dimensions of these fittings.
Length of metal channel 26 3/8"
See attached photos with measurements.
Will attach photos of other end next
Thank you. This appears to be a special made "extended travel" channel balance. We can supply these, but only as a special order.
Before we go any further, can you tell me how many you needed? Can you also verify the length of the metal channel? We can only supply this balance with a 26-7/8" metal channel. If yours is 26-3/8" then our part will not work for you, and that's not a size we can offer.