Installation Sheet

Turn o water

supply.

REQUIRED TOOLS: PARTS INCLUDED:

1. Phillips Screwdriver

USM1375

Undersink Mounting Hardware

(1-1/4”)

Optional Button Caps -

Logo and Finish

(TRADITIONAL MODELS ONLY)

SINGLE PORT AIR GAP INSTALLATION

Model #s 3020, 4020, 8520, 9020

BEFORE YOU BEGIN YOUR INSTALLATION:

4020 3020 8520 9020

A. Single Port Air Gap

B. Drainage Hose*

C. Intake Hose*

D. Dishwasher

*Not Included

VEN-038-SPAG Rev. C

41180 Raintree Court • Murrieta, CA 92562

1-888-304-0660 • 951-304-0520

www.waterstoneco.com

PAGE 1
SINGLE PORT AIR GAP INSTALLATION Model #s 3020, 4020, 8520, 9020 BEFORE YOU BEGIN YOUR INSTALLATION: Turn off water supply. REQUIRED TOOLS: PARTS INCLUDED: USM1375 Optional Button Caps Logo and Finish Undersink Mounting Hardware (TRADITIONAL MODELS ONLY) (1-1/4”) 1. Phillips Screwdriver A. Single Port Air Gap B. Drainage Hose* C. Intake Hose* D. Dishwasher 4020 3020 8520 9020 *Not Included A B D C 41180 Raintree Court • Murrieta, CA 92562 1-888-304-0660 • 951-304-0520 www.waterstoneco.
PAGE 2
SINGLE PORT AIR GAP INSTALLATION Model #s 3020, 4020, 8520, 9020 1. 2. A Unscrew and remove top clamp nut (D) from both threadings on piping. Slide gasket (E) off piping and remove. Pull air gap (A) off of upper cap nut (B). Unscrew and remove cap nut from piping (C). From underneath counter top, fit air gap piping upward through 1-1/2” hole. 41180 Raintree Court • Murrieta, CA 92562 1-888-304-0660 • 951-304-0520 www.waterstoneco.com 6. 5.