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7 3 0 8 6 5 - 10 0   Rev.  M

-   3   -

• 

Make sure water supply is off. 

Remove valve TOP by lifting 
arm and rotating top and arm 
1/8 turn counterclockwise, 
pressing down slightly on cap.

IMPORTANT: Always clear 
sand and rust from system.

• While holding a 
container over the 
uncapped VALVE to 
prevent splashing, turn 
water supply on and 
off a few times. Leave 
water supply off.

• 

Replace TOP by engaging 

lugs and rotating 1/8 turn 
clockwise. MAKE CERTAIN 
TIP IS TURNED TO THE 
LOCKED POSITION. VALVE 
MAY NOT TURN ON IF TOP 
IS NOT FULLY TURNED TO 
THE LOCKED POSITION.

For troubleshooting information please contact:

TROUBLESHOOTING

IF FILL VALVE SHUTS OFF BUT CONTINUES TO 
LEAK SLOWLY, 

repeat Step 13.

IF FILL VALVE TURNS OFF AND ON DURING 
PERIODS OF NON-USE, 

it is a signal you are 

wasting water because:

• The end of the refill tube is inserted into overflow 
pipe, below water level in tank. Attach refill tube to 
overflow pipe using "S" clip provided.

•  The flush valve is leaking because it's worn, dirty 
or misaligned.

IF FILL VALVE WON'T TURN ON OR SHUT OFF 
or REFILL OF TANK WATER IS SLOW after 
valve has been in use for some time, 

Fluidmaster 

Model 242 Replacement Seal may be needed.

Go to our website at www.fluidmaster.com for 
more solutions to toilet problems.

©  2001 Fluidmaster, Inc.
®  Registered trademark of Fluidmaster, Inc.

Always use quality Fluidmaster repair parts when maintaining your Fluidmaster products. Fluidmaster 
shall not be responsible or liable for any damages caused by products used with Fluidmaster valves 
that were not manufactured by Fluidmaster, Inc.

30800 Rancho Viejo Road

San Juan Capistrano, CA 92675

(949) 728-2000  (800) 631-2011

www.fluidmaster.com

CARE AND CLEANING

American Standard shall not be responsible or liable for any damage caused by the use of in-tank cleaners. 

Do not use in-tank cleaners. These products can seriously damage fittings in the tank. 
This damage can cause leakage and property damage.

WARNING:

!

When cleaning your toilet, wash it with mild, soapy water, rinse thoroughly with clear water and dry with a soft cloth.

TROUBLE SHOOTING FLUSH VALVE SEAL LEAKS

:

Lift piston up by pulling up on the lift chain, inspect seal for visible 
distortion and presence of debris on sealing surface with finger.

SEAL REPLACEMENT:

1. Turn off water supply and flush toilet to empty tank. 
2.  Disconnect Chain from Trip Lever by removing Hair Pin Cotter  
     and Clevis Pin.
3.  Partially lift and support piston bottom with one hand.
4.  Remove thumbscrew by turning counter-clockwise.
5.  Remove piston top and gasket.
6.  Replace gasket with new gasket.
7.  Reverse procedure, turn thumbscrew until 2 clicks are felt.

11

11a

12

13

LIFT ARM

FIRST

REFILL TUBE  REPLACEMENT:

NOTE

: DO NOT ADD ANY FOREIGN MATERIALS TO THE SEALING SURFACE.

THUMBSCREW

PISTON TOP

PISTON BOTTOM

GASKET

HAIR PIN

COTTER

Locate bottom portion of
hose clip to vent tube at 
location as shown.

F

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