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FOAMER NOZZLE ATTACHMENT

BM31FB01

 WARNING: 

To reduce the risk of injury, user must read and under-
stand the operator’s manual for their pressure washer 
before using this accessory. To reduce the risk of injury 
or property damage, spray the pressure stream in a safe 
direction to ensure proper connection of all accessories 
before starting any cleaning project. Fits most pressure 
washers. Ensure compatibility and proper fit before us-
ing this  accessory. Wear eye protection with side shields 
marked to comply with ANSI Z87.1. Risk of fluid injec-
tions; do not point at people, pets, electrical devices 
or the unit itself. Turn off the pressure washer before 
changing or adjusting accessories. For cold water use 
only. For outdoor use only – store indoors. Save these 
instructions. Refer to them frequently and use them to 
instruct other users. If you loan someone this tool, loan 
them these instructions also.

PRODUCT SPECIFICATIONS

Connection ....................... 1/4 in. Quick Connect Plug Inlet 
Maximum Pressure ....................................... up to 3800 psi
Detergent Cup Capacity .............................................34 oz.
Maximum Water Flow ............................................... 3 GPM
Maximum Water Temperature ....................................140°F

APPLICATIONS

You may use this product for the purpose listed below:

n

  Applying detergent to remove dirt and mold from decks, 

cement patios, and house siding, cars, boats, motor-
cycles, outdoor furniture, and grills

INSTALLING THE FOAMER NOZZLE 
 ATTACHMENT

See Figures 1 - 2.

The foamer nozzle attachment  allows you to use foaming 
detergent while using your pressure washer for cleaning.

n

  Add all of the included detergent to the detergent cup 

and fill with water. For other detergents, use as directed 
by the detergent’s instructions.

 

NOTE:

 Use concentrated foaming detergent (available at 

your local retailer) in the attachment. Any other solutions 
may damage the attachment.

n

  Install the attachment head to the cup and tighten to lock 

in place.

Fig. 1

Fig. 2

DETERGENT 

CUP

ATTACHMENT 

HEAD

SIPHON

TUBE

PRESSURE 

WASHER 

SPRAY 

WAND

n

  Install the attachment on the end of your pressure wash-

er’s spray wand just as you would any type of nozzle.

USING THE FOAMER NOZZLE ATTACHMENT

See Figures 3 - 4.

 WARNING: 

Do not make adjustments while using the pressure 
washer. Stop spraying and lock out the trigger before 
making adjustments. Keep hands away from nozzle tip 
when spraying.

n

  The amount of detergent in the spray is controlled by the 

detergent flow knob.

  •   Rotate knob fully clockwise to use the detergent at its 

highest concentration.

  •   Rotate knob fully counterclockwise to use the detergent 

at its lowest concentration.

n

  The foamer nozzle sprays in a fan or stream pattern that 

can be adjusted by turning the nozzle.

When finished:

n

  Remove the detergent cup from the foamer nozzle and 

rinse the cup with water to remove any detergent residue. 

n

  Fill the cup with water, then reinstall.

n

  Spray the full cup of water through the foamer nozzle to 

clean any detergent residue from inside the nozzle. 

n

  Remove the foamer nozzle attachment from the spray 

wand.

n

  Rinse the outside of the foamer nozzle attachment com-

pletely to remove any detergent residue. Allow all parts 
to dry completely before storing.

n

  For outdoor use only – store indoors.

Hart Consumer Products, Inc.

P.O. Box 1348

Anderson, SC 29622, USA

1-800-726-5760

www.blackmaxtools.com

998000076

10-29-20 (REV:03

STREAM

POSITION

FAN

POSITION

Fig. 3

Fig. 4

LESS 

FOAM

MORE 

FOAM

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DETERGENT 

FLOW KNOB

Model/item number on product may have additional letters at the end. 

These letters designate manufacturing information and should be pro-

vided when calling for service.

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