This series 795 block and tackle sash support system has a balance channel length of 19 inches for a tilt-in sash window. The channel's width measures 9/16" but is considered 1/2" in the trade. This balance comes fully assembled with the top clip and bottom pivot shoe attached.
|Stamp Option ||Sash Weight Range|
| B ||9 to 13 lb |
| C ||13 to 18 lb |
| D ||18 to 21 lb |
*This information is based on 2 balances per sash. Balances are designed
assuming friction in the jamb weather-strip will carry a portion of the sash
weight. Suggested sash weights are approximate.