Limit Device mechanism automatically stops vent at position required by user, or required by law.
For cleaning and ease of use, a key may be used to release the window to its maximum opening. Inserting key will disconnect Limit Device from sash.
The Release Key is optional and must be purchased separately: part No. 39-122
Track Length: 5 in
Bar Length: 5 in
Material: Stainless Steel
Minimum Order: 1 Package (One limit device per