Toto CST405F 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 con-

tact TOTO U.S.A. Inc., Customer Service Department, 1155 Southern Road, Morrow, GA 30260

(888) 295-8134 or (678) 466-1300 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

CST405F

CST405MF

CST406F

CST406MF

CST406F

DISCONTINUED

CST406MF

DISCONTINUED

ENGLISH

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.

Thanks for Choosing TOTO®! ...........................................................................................3

Before Installation...............................................................................................................3

Common Tools Needed ....................................................................................................3

Included Parts .....................................................................................................................3

Before Installation...............................................................................................................4

Installation Procedure .....................................................................................................4-6

Toilet Tank Fill Valve Instructions....................................................................................6-7

Care and Cleaning..............................................................................................................7

Warranty ..............................................................................................................................8

Rough-In Dimensions ......................................................................................................23

Replacement Parts............................................................................................................23

Check to make sure you have all these parts from the package:

COMMON TOOLS NEEDED

INCLUDED PARTS

• 10” adjustable wrench

• Hacksaw

• Carpenter’s Level

MATERIALS REQUIRED (not supplied):

• Bowl Wax Ring

• Water Supply Line

(typically 1/2” Compression

to 7/8” Ballcock)

• Tape Measure

• Pliers

• Flat Screwdriver

• Putty Knife

Tank to Bowl Hardware:

China Bowl China Tank

Bolts

(2 pieces)

China Tank Lid Tank to Bowl Gasket

Rubber Washers

(2 pieces)

Metal Washers

(4 pieces) Nuts

(4 pieces)

Flange Caps (for the Bowl):

Plastic Caps

(2 pieces)

Base Caps

(2 pieces)

• Mounting (T) Bolts & Nuts (2pc)

• Toilet Seat

(TOTO SoftClose recommended)

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BEFORE INSTALLATION

Read these instructions thoroughly before beginning work.

Please leave these instructions for customers. These instructions contain mainte-

nance and warranty information.

If necessary, remove the existing toilet.

INSTALLATION PROCEDURE

called the Rough-In.

Supply

Valve

Finished Wall

"RI"

C/L

Closet

Flange

then install new mounting bolts (not supplied)

head of the bolt should be inserted into the slot

with its threads facing upward.

2. Carefully turn the toilet upside down onto some

padding. Firmly press a new bowl wax ring

(not supplied) onto the circular recess around

the toilet bowl’s horn (see Ill. 2). Turn the toilet

upright and gently lower into position over the

wax ring.

CAUTION: Do not move the bowl after the bowl

wax ring is set. Thread nuts and tighten evenly until

CAUTION: Do not over-tighten the nuts as damage to

the china bowl may result.

Ill. 1

IMPORTANT!

Due to the powerful performance of our Cyclone, G-Max, E-Max and Power Gravity

means of installing these toilets in a back-to-back situation is when the toilet drain

to this installation.

Double Combination WYE / 1/8 Bend

YES Double Sanitary Tee / Sanitary Cross

Wax Ring

Horn

Ill. 2

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ENGLISH

Installation Procedure (continued)

3. Place the tank upside down onto some

connection.

Try to tighten the nuts with your hands

see Ill. 3). If loose, tighten the nut hand

tight and an additional 1/4 turn for the

Place the tank-to-bowl gasket onto the

spread the gasket over the nut until the

gasket touches the bottom of the tank. A

slight gap between the tank bottom and

the gasket is allowable.

4. Lay the tank down on its back. Place a

rubber washer onto a brass bolt. Reach

inside the tank and position the bolt

through one of the holes in the bottom of

the tank (see Ill. 4).

On the outside of the tank, place a metal

washer and nut onto the bolt. Hold the

bolt centered in the hole and tighten

additional 1/2 turn with a wrench. Repeat

this process for the remaining hole in the

tank.

5. Pick up the tank and carefully guide the

brass bolts to align the tank with the

bowl. Attach a metal washer and nut to

and inspect that the tank is level (see Ill.

5). Once level, tighten the bolts equally

until the tank makes THREE POINTS OF

CONTACT with the bowl.

Ill. 3

Fill Valve Nut

Bolt

Ill. 4

Nut

Rubber Washer

Flange

12" (305mm)

Rough-In

NOTE: The toilet bowl has three points of contact, which will actually contact the bottom of the

toilet tank when properly installed. The location of these points can be seen on the bowl at the

tank receiving area. The three points are front left (1), front right (2), and back center (3). Recall

these three points during the Toilet Tank installation.

Three Points of Contact

Bolt Cap

Nut *

Washer *

Base Cap

Bowl Base

Flush Valve

Nut

Metal Washer

Tank to Bowl Gasket

Ill. 5

DISCONTINUED

ENGLISH

Gasket

Installation Procedure (continued)

6. Flush the water supply line for a few seconds to

the water supply line for more than a minute to help

pipe sealants that were used for the new plumbing.)

as seen at the bottom of toilet tank (see Ill. 5). Tighten

turn by hand. AVOID using a wrench to tighten the

connection as you may damage the plastic threads

Water Supply Line Pressure should be 20 to 80 psi

Static.

NOTE: NO BALLCOCK / FILL VALVE

ADJUSTMENTS NEEDED. Water will automatically

stop at the proper level. Flush the toilet several times.

is in its proper position. Ill. 6

ADJUSTING THE PUSH BUTTON RODS

CST405MF & CST406MF

Ill. 5

7. Install the toilet tank lid onto the toilet tank

top.

8. Install the toilet seat onto the toilet bowl

using the mounting hardware in the toilet

seat box (see Ill. 6). Place seat onto bowl

and rotate the hinge down. Position seat

stoppers under the seat hinge.

Insert bolt into seat hinge and through the

toilet bowl. Install plastic nut onto bolt from

underneath. Tighten the bolt securely. Install

the seat bolt caps.

NOTE: Tighten the seat bolt until the hinge

is secure. The seat and lid will have slight

side to side movement which is normal. This

freedom of movement allows the seat to

SoftClose® without binding.

After making sure the push buttons are installed correctly (see Ill. 8), place the

lid on the tank.

If the button(s) is too low (see Ill. 9):

1. Loosen the lock nut/s counterclockwise.

2. Turn the rod(s) counterclockwise to lengthen (each full turn is 1mm).

3. Place the lid on the tank to check the buttons.

If rod(s) is too long, water will keep running in the toilet.

1. Loosen the lock nut(s) counterclockwise.

2. Turn the rod(s) clockwise to shorten them.

DISCONTINUED

ENGLISH

Installation Procedure (continued)

TOILET TANK FILL VALVE INSTRUCTIONS

Replacement Procedure

CST405F & CST406F

any height adjustments.

1. Shut off the water supply to the toilet.

2. Flush toilet and remove remaining water from tank with a sponge.

Ill. 8

Left Right

Partial

Flush

Full

Flush

Mounting

Nut

Adjustable

Push Rods

Push Button

Housing

Tank

Lid

Push Button

Assembly

Flush Valve

Tank

Lid

Clip

Lock Nut Clockwise/

Counterclock-

wise

The rod(s) is too short, the buttons are lowered.

Buttons are at the correct level.

Push

Buttons

Tank Lid

Ill. 11

Ill. 9

Ill. 10

Adjust the rods as necessary by turning the rod 1 full turn (see Ill. 11); to lengthen,

turn the rod counterclockwise; to shorten, turn the rod clockwise.

When the adjustment is completed, tighten the lock nut to secure it (see Ill. 10).

After Installation/Adjustment

push mechanism is working properly.

DISCONTINUED

ENGLISH

Replacement Procedure (continued)

N position that does not

interfere with the trip lever operation.

NOTE: Do not overtighten. These are plastic parts. Never use pipe dope on any

water supply connection.

8. tube to the

9. Turn water supply ON and check for leaks outside the tank.

the

valve.This is NORMAL as these drops will subside.

Water Level Adjustment

WATER

LEVEL

Refer to the water level (WL) setting

marked on the inner wall of the tank.

adjustment screw clockwise in the (+)

direction to increase the water level height

(see Illustration 1). Turn the adjustment

screw counter-clockwise in the (-) direction

to decrease the water level height. Flush

the toilet to verify the correct water level.

Adjust as necessary.

Top of

Tube

Ill. 1

DISCONTINUED

ENGLISH

1. Shut off the water supply. Flush the toilet and remove

valve.

the shaft through the hole in the bottom of tank.

3. Thread mounting nut onto exposed shaft under the

tank/bowl and tighten nut.

WARNING! Do not over-tighten.

4. Connect the water supply (see Ill. 1 or Ill. 2). Pipe dope

Water Level Adjustment

1. Remove the tamper proof key (see Ill. 3) and turn the

upper half of the valve counter-clockwise to unlock it

(see Ill. 4). Pull up the valve and set it to the desired

water level, then turn it clockwise until the valve snaps

into the locked position.

2. Turn on the water supply.

NOTE: The tamper proof key is optional and may be used

to prevent further adjustment.

Fill Valve Servicing Instructions

the toilet.

2. Snap off the cover (see Ill. 1).

4. While holding the valve with one

hand, twist the cap 1/8 turn counter-

clockwise and remove it (see Ill. 3).

TOILET TANK FILL VALVE INSTRUCTIONS

FILL VALVE/ FLUSH VALVE SERVICING INSTRUCTIONS

CST405MF & CST406MF

Replacement Procedure

Gasket

Tank Wall

Mounting

Nut

Flanged

Supply Line

Coupling

Nut

Flat

Washer

Flexible hose

Coupling nut

Nut

Washer

Cone seal

Ill. 2

Ill. 1

Lock

Unlock

Ill. 3 Ill. 4

Ill. 1 Ill. 2

Ill. 3

Ill. 4

DISCONTINUED

ENGLISH

WARNING!

DO NOT USE IN-TANK BOWLCLEANERS. The use of high concentration of chlorine

can cause leakage and property damage. TOTO®shall not be responsible or liable

CARE AND CLEANING

5. Lift out the center tube as shown

(see Ill. 4).

6. Remove the strainer from the center

tube as shown (see Ill. 5). Clean the

strainer and cap by rinsing them off

under a faucet.

7. Carefully reassemble the valve in the

reverse order.

IMPORTANT

Note the position of the cap when it’s

properly assembled to the body. The

shown (see Ill. 6).

RIBS IN LINE

WITH FLOAT

CHAMBER RIBS REFILL PORT

FLOAT

CHAMBER

Ill. 6

Ill. 5

Fill Valve Servicing Instructions (continued)

2. Remove the tank lid and place it upside down on a

clean surface.

reassembly.

4. and pull it up to remove it (see Ill. 1).

5. Remove the clear rubber seal gasket and rinse

under running water to clean (see Ill. 2).

8. the left and the blue button is on the right.

9. Carefully, install the tank lid back on the tank.

10. Flush the toilet several times using each push but-

ton to verify proper operation. Check for leakage.

Flush Valve Servicing Instructions

Ill. 2

Ill. 3

Ill. 1

DISCONTINUED

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