Air Gap Ring
3/8" Black Tube
Bonnet
1. Assemble the Air Gap
Install the bonnet to the underside of the air gap ring.
Align the air gap with the bonnet window.
Determine the length needed to connect the 1/4" red tube to the membrane drain port. Cut any
excess tubing.
Install the flow restrictor into the red tube. The flow restrictor must extend 1/8" from the flange as
shown. The flange must be flush with the end of the red tube.
1395432-2-B
Air Gap
1/4" Red Tube
Flow
Restrictor
1/8"
4
Kohler Co.