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A.

 

Hang the bowl on the bracket 

and check tail 

pipe alignment, then remove the bowl and 

adjust the bracket as needed. 

 

Re-hang and re-check bowl  

alignment with 

the drain line.  Tail pipe should align with center 

of drain line. 

B.

 

Mark anchor holes 

then 

remove bowl without 

moving hanger bracket.

A.

 

Find the drain nipple depth

 on 

the Tube Cutting Chart (left).

 

Measure and mark the specified 

trim length 

on the insert tube at 

the nearest ¼” groove.

B.

 

Cut the tube

 at the groove using a sharp 

utility knife to ensure a square, flat cut. 

C.

 

Clean burrs 

from the cut end by using 

emery paper.

D.

 

Apply lubricant

 to the outside of the 

rubber bushing and ribbed inside area. 

E.

 

Insert the tube 

and bushing with arrow 

tab at the top. Apply lubricant to tailpipe 

of housing.

USE UTILITY KNIFE TO CUT CAULK

 then 

use a putty knife and mallet to remove 

the bowl. Remove hanger brackets, 

scrape off caulk, and clean the wall. 

MEASURE & MARK THE ROUGH-IN 

if in-wall carrier is not used. Use a ⁵/₁₆" 

masonry bit to drill hole, then install 

the hanger bracket with one plastic 

anchor and screw.

DETERMINE THE DRAIN NIPPLE DEPTH

 

by measuring the distance between the 

back of the sanitary tee (or elbow) to the 

front edge of the nipple.

IMPORTANT: 

Use a drain machine to 

remove build-up inside pipes. Clean up 

to 25 feet deep then flush with water to 

remove cutting debris. Never install on 

copper DWV.

A. 

Clean face 

of existing wall flange. 

B.

 Install the brass flange

 with the clear 

inspection disc. 

C. 

Slowly pour water

 into the drain.

D.

 Use a flashlight to check the pitch/

slope

. No water should be present in 

the inspection disc or nipple. 

E. 

Remove flange

 after inspection.

ADJUST DRAIN TO ACHIEVE PITCH 

only if standing water is present 

(code requires ¼” drop per foot of 

drain line for proper pitch). Seal wall 

according to code.

PLACE THE SEAL INTO THE FLANGE

 with 

the ribs facing out. Install the flange 

with washers and hex nuts, but do not 

tighten completely.

HANG THE BOWL,

 inserting 

tailpipe into bushing, then 

install anchor screws with 

washers.

 TIGHTEN FLANGE 

BOLTS AND GEAR CLAMP.

POUR 5 

GALLONS 

OF WATER

 

as rapidly 

as possible 

into housing 

to ensure 

good flow 

and no leaks or 

standing water.

INSTALL THE GEAR CLAMP 

with screw head at bottom, 

but do not tighten.

DRILL HOLES 

with ⁵/₁₆”

 

masonry bit for 

the lower anchor screws and insert 

plastic anchors.

The information in this document is 

subject to change without notice.  

©2014 Falcon Waterfree Technologies, 

LLC. All rights reserved. 

FalconWaterfree.com

CAULK THE BOWL 

TO THE WALL 

if 

there is good flow 

and no leaks or 

standing water.

INSTALL 

CARTRIDGE

 

per the cartridge 

instruction sheet.

• 

Check rough-in height to achieve 24” 

rim height (17” rim height for ADA).

 Check slope. Downhill slope, per code, 

is essential because waterfree urinals 

require gravity flow for drainage.

 Check DWV material. Suitable materials 

include cast iron, PVC, ABS, and 

galvanized steel.

• Never install on copper DWV due to 

copper’s susceptibility to corrosion

.

• 

Shut off water supply and cap the nipple 

with the ¾” chrome cap (provided).

• 

Measure drain nipple depth (in inches)

   to find trim length (in inches)

• 

13 

7 8

 “ or more

 DO NOT CUT TUBE

• 

3 ¾” or less

 DO NOT USE TUBE

BEFORE STARTING INSTALLATION

TUBE CUTTING CHART

FLAX

RETRO-FIT INSTALLATION 

WATERFREE URINAL

866-975-0174 or 616-877-4805

[email protected]

CUSTOMER CARE

2" side cutter blade

Cut away wall

Lift drain line & brace 

with mending plate

INCORRECT

Not centered

CORRECT

Centered

11

10

12

Install two 

additional screws

CARTRIDGE 

INSTRUCTIONS

1

2

3

4

Arrow 
tab UP

1

2

3

4

A

C

B

D

E

CAUTION

 After removing any urinal from the 

drain line, it’s normal for certain naturally occurring 

but

 potentially hazardous sewer gases 

to escape 

through the opening until the waterless cartridge 

is installed properly into the waterless urinal. If you 

need to leave an open drain line unattended after 

removing the urinal from the wall, temporarily wedge paper towels or a 

rag into the drain hole to reduce any outflow of sewer gases, and remove 

the paper towels or rag prior to completing the urinal or cartridge 

installation. 

Never smoke, have an open flame, or place your nose or 

mouth near open drain lines or waterless urinal housings into which 

a cartridge is not yet properly installed. 

You also can wear a breathing 

mask when removing or installing any waterless urinal or cartridge to 

reduce potential exposure to any such gases.

OR LESS

TRIM

13 ¾"

¾

"

13 ½

½

13 ¼

¼

13

1

12 ¾

12 ½

12 ¼

12

2

11 ¾

11 ½

11 ¼

11

3

10 ¾

3 ¾

10 ½

3 ½

OR LESS

TRIM

10 ¼"

3 ¼

"

10

4

9 ¾

4 ¾

9 ½

4 ½

9 ¼

4 ¼

9

5

8 ¾"

5 ¾

8 ½

5 ½

8 ¼

5 ¼

8

6

7 ¾

6 ¾

7 ½

6 ½

7 ¼

6 ¼

7

7

OR LESS

TRIM   

6 ¾"

7 ¾

"

6 ½

7 ½

6 ¼

7 ¼

6

8

5 ¾

8 ¾

5 ½

8 ½

5 ¼

8 ¼

5

9

4 ¾

9 ¾

4 ½

9 ½

4 ¼

9 ¼

4

10

151⁄8"

 

Install plastic anchor 

and screw here

14

15

4

13

3

12

8

6

2

10

11

9

7

5

1

C

D

A

B

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