
HANDS-FREE WALL MOUNTED SINKS
AC OR BATTERY POWERED
Operating Manual for Hands-Free Wall Mounted Scrub Sinks
AC Models 705A and 705A-0.5
Battery Models 705B and 705B-0.5
1
Columbia does not recommend use with harsh chemicals.
NSF/ANSI Standard 2 - Food Equipment and NSF/ANSI 372 low-lead.

COLUMBIA SPECIFICATIONS
HANDS-FREE WALL MOUNTED SINKS
AC OR BATTERY POWERED
2
Parts List
(1) Wall mount sink
(1) AC or Battery powered sensor faucet assembly
(1) Wall-mounting bracket
(2) Support brackets with 4 mounting bolts
(1) Mixing check valve
(1) Strainer assembly with basket
Installation Instructions
Step 1
1. Establish sink location on the wall.
2. Determine desired height for the top of the backsplash from finished floor and draw a level
line which will be the top edge of the wall mounting bracket.
3. Hold the wall mounting bracket against the wall and mark the wall where the holes are. Drill
holes and secure bracket to the wall as shown in illustration A. Screws are not provided.
Step 2
1. Install strainer assembly.
2. Install faucets to the sink following the instructions provided with sensor unit.
3. Attach supply tube with elbow to back of faucet.
4. Install mixing check valve and compression fitting to control box of each sensor faucet.
Step 3
1. Position the sink onto wall bracket.
2. Loosely attach support brackets under sink and push against wall then mark holes for
drilling as shown in illustration B.
3. Remove support brackets from sink and drill holes for mounting fasteners (not provided).
4. Re-mount support brackets to sink and fasten to wall.
Step 4
1. Connect waste line to strainer assembly (s).
2. Mount sensor control box at desired location on wall.
3. Connect power line from sensor to control box.
4. Attach supply tube from faucet to control box.
5. Connect hot and cold water from the source to mixing check valve (s).
6. Remove aerator from the spout assemblies and flush water system. (see step 7 sensor
installation instructions)
7. Check connections for leaks.
8. Replace aerator onto the spout (s).
9. We recommend sealing top of backsplash to wall as shown in illustration C.
Tools Required
Tape Measure
Adjustable Wrench
Drill Motor and Drill Bits
Pipe Wrench
Level
Safety Glasses
Screw Drivers: 1 Phillips & 1 Standard
Pencil
Socket Wrench
Illustration A
Illustration B
Notice for California Consumers
WARNING: This product can expose you to chemicals including Chromium (hexavalent compounds),
Lead, and Phthalates (DEHP) which are known to the State of California to cause cancer and birth defects
or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
NOTE: Lead content originates from Brass components in valves and faucets and is certied under
NSF/ANSI 372 as containing less than 0.25% lead in wetted surfaces.
1622 Browning Irvine, CA 92606-4809 Phone: 949.474.0777 Toll Free: 800.626.2117 Fax: 949.474.1191 www.columbiasinks.com email: info@columbiasinks.com
Illustration C
©2019 Columbia Products

COLUMBIA SPECIFICATIONS
HANDS-FREE WALL MOUNTED SINKS
AC OR BATTERY POWERED
3
Top
20in
508mm
2in
50.8mm
2in
R.5in
12.7mm
17in
431.8mm
50.8mm
355.6mm
14in
1.5in
38.1mm
38.1mm
1.5in
444.5mm
17.5in
Front Side
10in
241.3mm
178.9mm
9.5in
254mm
7in
10in
254mm
Wall-mounting
bracket
R.75in
19.1mm
3.25in
100mm
82.6mm
4in
.75in
19.1mm
45deg
7.087in
180mm
Wall Mounting Detail
2” (51mm)
1.5” (38mm)
.25” dia. hole (6mm)
wall hanger
back splash
Hole Configuration
10in
254mm
.875” [22mm]
dia. hole
18.828in
478.2mm
10in
254mm
6.25in
158.8mm
1622 Browning Irvine, CA 92606-4809 Phone: 949.474.0777 Toll Free: 800.626.2117 Fax: 949.474.1191 www.columbiasinks.com email: info@columbiasinks.com
©2019 Columbia Products