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2022.2

Urinal flange

wall mounted USWN900 Series

USWN902 Series

UWN903 Series

UWN901 Series

U901 Series type

Install the product properly according to this installation manual for best performance.

When the installation work is complete, give a detailed explanation of how to use this product to the customer.

Installation manual

0GH330

1

Safety Cautions (Observe these cautions for safety's sake.)

3

Installing the bolt for fixing the drain flange to the urinal

Included parts

Ŷ

Check unnecessary if all the parts below are included.

Caution

This symbol indicates the possibility of personal injury 
and physical damage if the information provided is 
disregarded.

Indication

Meaning

Read these “Safety Cautions” carefully before starting installation work. Install the product 
properly. 
This manual uses various indications to ensure a proper, safe installation and to prevent 
injury to the customer, injury to other people and damage to property.
The symbols should be interpreted as follows.

(!) means a “Required” action you must do. The figure to the left 
shows “Required.”

The pictures below are categorized by the following symbols and explained below.

* Physical damage means damage to houses/household effects, livestock, and pets.

Caution

Required

Be sure to use the included or specified parts for installation work.

Otherwise, the product may not be installed properly.

After installation, be sure to test run the system and check that 
there are no water leaks anywhere.

Otherwise, water may leak onto household effects causing property 
damage.

2

Installation procedure

(1) Check the drain pipe height.

* It’s not the length of the pipe.

USWN900 Series/UWN901 Series/U901 Series

The drain pipe height (H)

USWN902 Series/UWN903 Series

(2) Align the drain flange so that the side marked "TOP" is on the top. Use the following 
     procedure to install the bolt, then tighten the nut securely.

4

Push in until the drain flange touches the 
wall surface.

Note

(2) Align the center line of the drain pipe 

according to the drain flange installation 

hole position (shown in the figure on 

the right), then mark the fastening 

hole position.

* If you drill a pilot hole with a diameter of 

about 3 mm at the marked position, this 

makes it easier to tighten the tapping screw.

(1) After the installation on the wall, cut 

the drain pipe on the finished surface 
of the wall.

(3) Apply PVC pipe adhesive to the section where the 

drain flange and the drain pipe connect, then push 
the drain flange until the rear surface of the drain 
flange touches the wall surface.

(4) Fasten the drain flange with four tapping screws until  

     the rear surface of the drain flange touches the wall.

Always check that the drain flange top 

surface is level.

If the drain flange is installed tilted, the urinal 
may not be installed correctly.

* Note that once the adhesive is applied, the joint 
  cannot be changed.

Caution

Required

Be sure to apply the adhesive to both the drain flange and the drain pipe.

Adhesive should be applied to the surfaces on the outer circumference of 

the drain flange and the inner circumference of the drain pipe. 

If the adhesive is applied to only one side or in the wrong location, this could 

cause water leaks from the drain flange that could result in flooding damage 

to property, such as household belongings. This can also cause bad odor leaks.

Remove any burrs and debris from the drain pipe cutting surface.

Otherwise, water may leak onto household effects causing property damage.

Caution

Required

Position of the drain flange

fastening hole (Unit: mm)

Marking content on the drain Flange

Install the washer (small), 
then tighten the M8 nuts.

Make sure that the nuts are securely 
tightened.

Overtightening could cause damage.

Tapping screws

Drain flange rear surface

Surface where 

adhesive is applied

Drain flange

Drain pipe DN50

PVC pipe de50

Wall surface

Drain pipe UPVC50

Drain pipe center line

The head of the bolt 
must be contained in 
the hexagonal recessed 
section.

If you tighten the bolt with its 
head not contained there, it 
may break.

Note

Note

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* Always align the standard centerline on the drain 

   flange with the centerline of the drain pipe.

EN

Washer (large)

x 1 (for urinal)

Tapping screws x 4

Installation manual 

(this sheet) x 1

Bolt x 1

Drain flange x 1

M8 nuts x 2

Washer 

(small) x 1

H

H

(GB/T 5836.1)

(SS213,BS5255)

Wall surface

Level

Drain pipe

Drain 

pipe

Drain 

pipe

Adhesive

Adhesive

Cut the drain 
pipe along the 
wall surface.

90

50

50

70

225mm

485mm

Wax ring x 1

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