This is a Series 385 channel balance for non-tilt windows. It moderates the operation of your window sash using a specifically calibrated spring and pulley system that allows the window to stay open when raised.
- This balance has a 33" long metal channel. When determining the length, do not include the attached fittings. Only measure the metal channel.
- Comes fully assembled with the 19-005 top and 15-004 (1-3/32" deep) bottom fittings and will be ready to install out of the box.
- The strength you need should be indicated as a stamp or imprint on your old metal channel. If you do not have a stamp, or cannot match it up to our options, weigh your sash on a scale and refer to the chart below.
- The width of the metal channel measures 9/16" but is considered 1/2" in the trade.
- Can work for either the left or right side of the window interchangeably.
| Stamp Option | Sash Weight Range |
|---|
| 3210 | 8 to 13 lb |
| 3220 | 13 to 18 lb |
| 3230 | 18 to 23 lb |
| 3240 | 23 to 28 lb |
| 3250 | 28 to 32 lb |
| 3260 | 32 to 35 lb |
| 3265 | 35 to 39 lb |
| 3270 | 39 to 42 lb |
| 3275 | 42 to 45 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.
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