This series 795 block and tackle sash support system has a balance channel length of 29 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|
| A ||7 to 12 lbs |
| B ||12 to 18 lbs |
| C ||18 to 23 lbs |
| D ||23 to 28 lbs |
| E ||28 to 32 lbs |
*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.