Hatco GR-18 Installation And Operating Manual page 17

CAUTION
Non-Adjustable Stand
1-3/16"
(30 mm)
Distance from end of unit to center of conduit hole.
Needed for 1" diameter hole cutout in mounting surface.
Adjustable Stand
1-1/16"
(27 mm)
Set
Screw
Mounting
Screw
Adjustable
Stand
Flexible
Conduit
Non-Adjustable
Stand