Category: Zero

(Results from 11 to 20)
Are the 321 and 323 automatic door bottoms handed?
Yes, these models have extension pieces on them such that you cannot just flip the complete unit over for different door handings.  Since the brass adjusting nut must always be on the hinge side ...
Zero
How many holes or fasteners will I need in a Zero threshold?
The basic rule of thumb with thresholds is:  5” wide and under come drilled from the factory. Any thresholds 6” wide or wider do not come with holes. The exceptions would be th...
Zero
Can threshold 68A, 678A, and 69A be welded?
Welding the #69 butted to the end of a #678 threshold is not available.  However, if the 69 is used as as a shim under the 678, it can be done. ...
Zero
Is there a replacement seal for the 429?
The replacement neoprene for the 429 perimeter seal is available as service replacement item # 8303S-BK. ...
Zero
Is the Zero Z953 cam lift hinge available in customer sizes?
No, it is only available in 4.5" X 4.5" size....
Zero
Zero Adjustable Thresholds: Tips For Selecting The Correct Pieces
The Zero catalog (click HERE)  shows a variety of options for adjustable thresholds. Selecting the proper size threshold  Choose the overall height of the threshold that is need...
Zero
Do automatic door bottoms drop evenly or from the hinge side first?
With the exception of the 7350, the Zero automatic door bottoms do drop from the hinge side first. ...
Zero
How do I increase tension on an automatic door bottom?
Rotate the tension adjusting screw counterclockwise. The screw (brass nut) is located on the hinge side of the door.  Instruction sheets for Zero automatic door bottoms can be found at ...
Zero
Does increasing tension on an automatic door bottom (ADB) increase door closing force?
Yes. Increasing tension on an automatic door bottom will increase pressure on the door closer. The door closer may have to be adjusted to compensate. ...
Zero
Will a Zero automatic door bottom (ADB) work on an uneven floor?
The automatic door bottom may work on an uneven floor by adjusting the tension as long as the slope difference on the floor from hinge edge to the active edge does not exceed 3/8". If using a surface ...
Zero