GE 19210 Instruction Manual page 4

b. Replacing the back cover
1. Push buttons are typically mounted at the same height as the door knob or
handle (between 36" and 44" above the floor).
2. Before mounting, choose a mounting location that is not farther than 150 feet
from the chime unit location.
3. Place the push button where you would like to mount it and with the chime as
close to its final position as possible and test operation. If it works, mount the
button. If it does not work, see TROUBLESHOOTING.
4. Use back cover of push button as a template to mark two screw holes.
Not farther than 150 feet