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Automatic System

Flush Button

1-1/4"

32mm

1-1/2"

40mm

1/4"

6mm

Activation

Area

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6

18

16

9

11

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7

13

12

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10

17

19

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15

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Designer Series Automatic, Counter-Mounted Soap Dispenser 

INSTRUCTIONS FOR INSTALLATION, OPERATION & MAINTENANCE

BOBRICK MODELS B-850, B-852, B-855, B-856, B-858 LIQUID SOAP DISPENSER

Unit Diagram:
Item Description

Top Assembly with Spout, Door and Stem

LED Light Pipe

Liquid Nozzle Tip

Fiber Optic Insert with Sensor Lenses

Rubber Counter Gasket

Wave Washer

Mounting Nut

Stem Mounting Nut

Duckbill Housing

10 

Bottom Housing Assembly (includes Soap Bottle)

11 

(3) Fiber Optic Cables for Sensor and LED Light Pipe

12 

Fiber Optic Connector Tip Assembly

13 

Fiber Optic Nut

14 

Portion Control Knob

15 

Automatic System Flush Button

16 

Key Hole

17 BobKey
18 

Fiber Optic Cable Cover

19 

A/C Adapter Kit with U.S. Plug, Order Part No. 3974-57. 

 

Optional: International AC Adapter Plug Kit  

 

(UK, Europe Australia) 3974-55

© 2019 by Bobrick Washroom Equipment, Inc.

Form No. 858-191     r8/09/19    Printed in U.S.A.

Clearances and Mounting Requirements:
•  1-3/8" (35mm) diameter mounting hole required.

•  Minimum 18" (457mm) vertical clearance needed below the counter.

•  5" (127mm) diameter clearance needed below the mounting hole to    

  accommodate bottle and bottom housing.

•  Minimum 2-1/4" (57mm) diameter clearance needed for Mounting nut directly  

  below the counter to clear sink rim.

•  Recommend drilling mounting hole 6" to 8" (152 to 203mm) from the wall,  

  and 2-1/2" to 3" (64 to 76mm) from sink rim.

Routine Cleaning and Maintenance:
Using a damp cloth, wipe the chrome-plated exterior of the dispenser daily. Periodically (about 3 to 6 months), it is 
recommended to flush the system with lukewarm water for cleaning and maintenance.

1.  When minimal amount of soap is left in the bottle, fill dispenser with lukewarm water from top  

 

 

to dilute soap.

2.  Press the Automatic System Flush Button to flush the system.
3.  Once unit is flushed, press the Automatic System Flush Button again to stop dispensing.
4.  Fill unit with fresh soap and dispense as usual.

For Retrofit:
1.  Remove existing dispenser(s).

2.  Clean area.

3.  Ensure hole is 1-3/8" (35mm) diameter.

4.  If necessary, enlarge opening using appropriate hole saw. For granite/marble counters, recommend using a diamond

 

hole saw (consult with stone and granite specialist). If needed, mounting hole should be offset to clear the sink rim. The Mounting    

 

Nut requires 2-1/4" (57mm) diameter clearance directly below the counter.

To Operate:

Troubleshooting: 
1.  Soap dispenser does not dispense soap, but you can hear motor running. The green LED lights up when hands are    
 

under spout.

 

a.  Press the Automatic System Flush Button until soap comes out. 

 

b.  Press the Automatic System Flush Button again to turn it off.

2.  Soap dispenser does not dispense soap and you cannot hear motor running. The green LED does not light up when    
 

hands are under spout.

 

a.  Be sure power is supplied to unit.

 

b.  Make sure Fiber Optic Nut is tight on Fiber Optic Port.

Warranty:
SureFlo Automatic Liquid Soap Dispenser is warranted to be free from defects in workmanship and material under normal 
usage from the date of purchase for a period of 3 years.

For New Installation:
•  Refer to mounting template for drilling locations (Form No. 824-307).

1. 

Prime Unit – After filling  

  dispenser, plug in power  
  to start prime. If unit is  
  plugged in prior to filling  
  dispenser, place hand  
 

under spout within sensor  

  location to start prime.

2. 

Standard Dispense –  

  Place hand under spout  
  within the sensor location  
  for approximately 1/2  
  second to dispense  
  controlled amount of  
  liquid hand soap.

3. 

Adjusting amount of soap

  dispensed – Depending on    
  viscosity of liquid soap used,   
  unit may dispense between  
  0.4 ml to 3 ml of soap. To  

 

  reduce output of liquid soap,   
  rotate Portion Control Knob    
 

counter-clockwise. To  

  increase the output of liquid    
  soap, turn the knob clockwise.

4. 

LED Light Indicators –  

  When in standby mode,  
  LED will flash green.  
  LED will turn off during  
  dispense. If red light is  
  flashing, remove hand to  
  allow unit to reset. Hand  
  must be removed for a  
  second activation.

In the United States: BOBRICK WASHROOM EQUIPMENT, INC.

New York: 200 Commerce Drive, Clifton Park, NY 12065-1350 • Tel: (518) 877-7444 • Fax: (518)-877-5029

Los Angeles: 6901 Tujunga Ave, North Hollywood, CA  91605-6213 • Tel: (818) 982-9600 • Fax: (818)-503-9287 

or email [email protected]

In Canada: BOBRICK WASHROOM EQUIPMENT COMPANY

45 Rolark Drive, Scarborough, Ontario M1R 3B1 • 

Eastern Canada: Tel: (877) 423-6555 • Fax: (877) 423-8555

• 

Western Canada: Tel: (877) 423-6444 • Fax: (877) 423-8444 or email [email protected]

Scan For SureFlo Installation and

Maintenance Instructions.

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