Toto CST436 Installation instructions

Warranty Registration and Inquiry
For product warranty registration, TOTO U.S.A. Inc. recommends online warranty registration. Please visit
our web site http://www.totousa.com. If you have questions regarding warranty policy or coverage, please
contact TOTO U.S.A. Inc., Customer Service Department, 1155 Southern Road, Morrow, GA 30260
[phone] or [phone] when calling from outside of U.S.A.
Installation and Owner’s Manual
Manual de instrucciones y del propietario
Manuel d’installation et d’utilisation
Inodoro de doble descarga
Toilettes à double chasse d’eau
CST436
CST448
* Actual parts may appear different from drawing according to the model.
* El producto real puede variar en apariencia dependiendo del modelo.
* Le produit réel peut varier en apparence en fonction du modèle.

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COMMON TOOLS NEEDED
TABLE OF CONTENTS
THANKS FOR CHOOSING TOTO!
The mission of TOTO is to provide the world with healthy, hygienic and more
comfortable lifestyles. We design every product with the balance of form and
function as a guiding principle. Congratulations on your choice.
INCLUDED PARTS
Thanks for Choosing TOTO®! ...........................................................................2
Included Parts ......................................................................................................2
Common Tools Needed......................................................................................2
Before Installation................................................................................................3
Installation Procedure..........................................................................................4
Maintenance Instruction......................................................................................7
Care and Cleaning...............................................................................................8
Replacing the Fill Valve .......................................................................................8
Adjusting the Water Level...................................................................................8
Servicing Fill Valve ...............................................................................................9
Servicing Flush Tower ........................................................................................10
CEFIONTECT® Cleaning Instructions .............................................................10
Warranty..............................................................................................................11
10” adjustable wrench
Carpenters’ level
Tape measure
Hand pliers
Flat head screwdriver
Phillips screwdriver
Pencil
Putty knife
Drill
Drill bits (mounting block)
- 11/16” drill bit
For concrete/tile installation:
- 5/16” drill bit
Check to make sure you have the following parts included in your package*:
Flexible supply hose
Angle stop valve (1/2” compression to 7/8”Ballcock)
Wax ring
Toilet Seat
MATERIALS REQUIRED:
(Not Included)
Toilet (x1) Tank (x1)
Rough-in (x1)
Template (x1)
Manual (x1)
Unifit Rough-in
Instruction (x1)
Rough-in
Mounting Hardware
(x2)
(x2) (x2) (x4) (x4) (x2)(x2)(x4)
(x2)(x2)(x2) )1x( )1x()1x()2x()2x(
Tank to Bowl Mounting Hardware (included in Tank)
Bowl Mounting Hardware (included in Bowl)

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BEFORE INSTALLATION
Read these instructions thoroughly before beginning work.
Please leave instructions for customers. These instructions contain
maintenance and warranty information.
If necessary, remove the existing toilet and if new construction, purge the
supply line.
Due to the powerful performance of our Tornado, G-Max, E-Max and Power
The only means of installing these toilets in a back-to-back situation is when
builder or contractor prior to this installation.
Double Combination WYE / 1/8 Bend
YES
Double Sanitary Tee / Sanitary Cross
NO
NOTICE
Water supply shut-off valve installation recommendations
Follow these recommendations to ensure an optimal and trouble-free
installation with a neat and professional appearance.
Location
4-3/4” x 4-3/4” (120mm x 120mm)
Valve type
Angle stop type valve with supply connection
facing upward, inward, or downward
NOTE: Straight stop type valve, or valve with
supply connection on front of angle stop, is not
recommended
Maximum length Angle stop must not protrude more than 3”
(80mm) from wall
Centerline of
Stop valve
Finished wall
(150mm)
Centerline of
Flange
4¾”
(120mm)
3” (80mm) MAX
“RI”

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3.
Rough-In and the two mounting blocks,
by aligning the bowl outlet with the
4. Align the toilet perpendicular to the
back wall and parallel to side walls; it
should not sit crooked or diagonal (ill. 3).
INSTALLATION PROCEDURE
1.
Follow the Installation instruction to
complete the installation (ill. 1).
2. Place the template into position and
follow its instructions to prepare for
installing the toilet bowl.
In on the Floor Flange after
wax seal is set. If this notice is
disregarded, discard the wax ring
and replace with new wax ring.
Insert the toilet all the way
into position. If this notice is
disregarded, leakage may result.
Check for rocking. If needed, use
shims to prevent the toilet from
rocking.
NOTICE
NOTICE
NOTICE
ill.1
ill.2
ill.3
Screw
Washer
Anchor
Nut
Wax seal
Moun
ting block

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Flush valve nut
Fill valve nut
Metal Washer
Brass
Nut
Rubber Washer
Bolt
Cut Away View
hit the tank while tightening.
8. threads as
seen at the bottom of toilet tank (Ill. 7). Tighten this
connection finger tight.
The water supply hose must be connected
installation. TOTO recommends using a
5. Install the side screws to the mounting blocks.
Cover the screw head with the provided screw
caps (ill. 4).
6. Install the tank-to-bowl mounting hardware to
the tank (ill. 5). Lay the tankdown on its back.
Place arubber washer onto a bolt. Reach
inside the tankand position the bolt through
one of the holes in the bottomofthe tank. On
the outside ofthe tank, place a metalwasher
and nut onto the bolt. Hold the bolt centered
in the hole and tighten the nut finger tight. Turn
the nutan additional 1/2 turn with a wrench.
Repeatthis process for the remaining hole in
the tank.
Do NOTovertighten hardware,
as it may breakthe china and
cause personal injury or property
damage.
7. Place the tankupside down onto some
(ill. 6). Try to tighten the nuts with your hands.
If loose, tighten the nut hand tight and an
tower nut.
Cap
Side-screw
Cap
Side-screw
ill.4
ill.5
ill.6
INSTALLATION PROCEDURE
CAUTION
NOTICE
NOTICE
7/8” Ballcock Thread
HAND TIGHTEN ONLY
Ill. 6
ill.7

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9.
tower nut (ill. 8). While pressing down, spread the
gasket over the nut until the gasket touches the
bottomofthe tank. A slight gap between the
tankbottomand the gasket is allowable.
10. Pick up the tank and carefully guide the
hole, align the tank-to-bowl gasket over the
inlet of the bowl, and align the tank bolts
over the bolt holes of the bowl. (ill.9)
11. Using provided hand-tight nuts, hand
tighten the nuts evenly until tank sets
snugly on each of the 3 contact points
on the bowl (ill. 10). Do not overtighten.
Overtightening may break the china and
cause personal injury and/or property
damage.
12. Flush the water supply line for a few
seconds to remove any debris that may
enter the new fill valve. (For new home
constructions and/or additions, flush the
water supply line for more than a minute to
help remove any residual PVC adhesives,
solder flux, and/ or pipe sealants that were
used for the new plumbing.)
13.
angle stop (ill. 11). Make sure that the hose
is free of kinks.
14. Carefully place the lid on top of the tank.
NOTE: The water supply pressure should
be 20 to 80 psi static.
15. Flush toilet a few times to check for issues
and leaks. Make sure NO WATER LEAK on
bowl and tank.
CAUTION: Avoid using a wrench to tighten
the connection as you may damage the
plastic threads and/or cause the fill valve to
rotate inside the tank.
INSTALLATION PROCEDURE
1
3
2
Points of Contac t
ill.10
50mmradiusminimumMakesuretherearenokinks
ill. 9
ill.11
Tank to Bowl
Gasket
Fill Valve Nut Flush Valve Nut
ill.8
Hand Tight Nut
ill.9
Use of tools prohibited
E-5

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Ill.1
MAINTENANCE INSTRUCTIONS
1. Turn off water supply and flush the toilet.
2. Remove the tank lid and place it upside
down on a clean surface. Remove the remain-
ing water from tank with a sponge.
3. Pull the clip on top of trip lever gear box as
shown. (ill. 1)
4. Pull gear box away. (ill. 2)
5.
(ill. 3)
6. Remove the grey rubber seal gasket and
rinse under running water to clean. (ill. 4)
7. Place the gasket back on the flush tower.
8. Align and place the flush tower into housing
and rotate to lock into place.
9. Replace the trip lever gear box and push
down on lever to lock it in place.
10. Carefully install the tank lid back on the tank.
11. Flush the toilet several times making sure the
trip lever operates normally.
12. Check the water level in the tank and inspect
for signs of any leakage.
Replacing the Flush Tower
Ill.2
Ill.4 Rubber
Gasket
ill.1
ill.2
ill.3 ill.4
ArrowArrow
Tube

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REPLACING THE FILL VALVE
1. Shut off the water supply. Flush the toilet and
remove any remaining water from the tank. Reverse
the tank installation instructions to remove it from
2.
of the shaft through the hole in the bottom of tank.
3. Thread mounting nut onto exposed shaft under the
Refer to the water level line stamp inside the tank.
1. The water level adjustment is located in the top
make adjustments:
• To raise the water level: turn the screwdriver
clockwise, or towards the ‘+’ indicator.
• To lower the water level: turn the screwdriver
counter-clockwise, or towards the ‘-’
indicator.
2. Flush after each adjustment to check the water
once more to verify.
Flexible hose
Coupling nut
Nut
Washer
Cone seal
Ill. 1
ADJUSTING THE WATER LEVEL
CAUTION
water level adjuster
Ill. 1
CARE AND CLEANING
DO NOT USE IN-TANK BOWL CLEANERS.
The use of high concentration of chlorine or chlorine-related products can
failure or damage caused by the use of in-tank bowl cleaners.
NOTICE
Use a detergent or non-abrasive toilet cleaner and a soft bristled
plastic brush to clean your toilet. To remove hard water stains, use
vinegar or lime dissolving cleaner and a non-scratch scour pad made
for porcelain. Allow a little contact time to allow the cleaner to dis-
solve the buildup.
Do not over-tighten.
4. Connect the water supply (Ill. 1). Pipe dope is not recommended. Attach
Special
Tool

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1
2
1
2
3
1. Snap off the top cover by pulling from under the tab (ill. 1).
2. Pinch the tabs of the lever arm to allow its removal (ill. 2).
3. Snap off the adjustable rod from the bracket allowing the unit to slide to
the bottom and remove the retainer tab by pulling as the arrow indicates
(ill. 3).
4. Grab hold of the valve unit, twist 1/4 turn counterclockwise and pull the
unit out (ill. 4).
5. Unscrew nut of the diaphragm housing (ill. 5).
6. Remove the diaphragm from its housing by carefully pulling the edge
of the diaphragm (ill. 6). Note the position of the diaphragm while
removing.
7. Remove the strainer from the tube with needle nose pliers (ill. 7). Use
twisting motion while pulling to help with removal.
8.
Reinstall all parts in reverse order. Turn the water ON and check for leaks
and operation.
Ill. 6
SERVICING THE FILL VALVE
Ill. 4
Ill. 5
NOTE: Due to water conditions in your area, the strainer may require periodic clean-
ing. An indication that the strainer
1
2
ill.1
ill.5
ill.2
ill.6
ill.3
ill.7
ill.4

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SERVICING THE FLUSH TOWER
1.
2. Remove the tank lid and place it upside down on a clean surface.
3.
4.
5. Remove the rubber seal gasket and rinse under running water to clean
6.
the base.
7.
8. Carefully, install the tank lid back on the tank.
9. Flush the toilet several times to verify proper operation. Check for
leakage.
ill.1 ill.2 ill.3
No CEFIONTECT®
With
CEFIONTECT®
WHAT IS CEFIONTECT®?
CEFIONTECT® is TOTO’s super-smooth permanent glaze that prevents
debris from sticking to surfaces. Products with the letter “G” in the
number have the CEFIONTECT® glaze. This glaze, along with regular
cleaning, will help keep your TOTO product in pristine condition.
NOTE:
For best results to keep your TOTO product with CEFIONTECT® clean:
• Lavatory: Use a mild dish detergent with a clean, soft cloth.
• Toilet: Use a gel based cleaner with a soft bristled-plastic brush.
• Don’t usecleaners, polishing powders or detergents that have gritty
or coarse particles.
• Don’t usebleach, chemical thinners or products that have acid or
alkaline detergents listed as ingredients.
• Don’t usemetal scrub brushes or steel wool.
Following these instructions will ensure that your TOTO product with
the CEFIONTECT® glaze will always stay intact, keeping your product
like new for years to come!
CEFIONTECT® CLEANING INSTRUCTIONS
WHAT IS CEFIONTECT®?