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Troubleshooting
Problem
Solution
If fill valve does not turn on, will not
turn off, or will not refill the tank
after the flush.
□
Remove top cap and check for debris. If you find debris or flow is week; Inspect lower section of fill valve for
partial blockage. Partial blockage may be at shut off valve or in water supply line. (See “REMOVING THE
VALVE CAP ASSEMBLY & FLUSHING OUT DEBRIS”)
□
If fill valve has been in use for some time and/or float cup does not drop when flushing tank, replace seal
with a genuine Fluidmaster 242 seal (See “IF REPLACING SEAL”)
The flush quality of the toilet is poor.
□
Make sure the water level in the tank is up to the water line printed on the overflow tube of the flush valve.
To increase the water level, turn the adjustment screw on the fill valve clockwise to raise the float cup.
□
Make sure the push rods are the correct length. The push rods should be set to a gap of approximately 1/16
in. above the push buttons of the flush valve. To adjust, loosen the collar on the push rod and turn the rod
counterclockwise to extend the length. Tighten the collar to secure.
Water continues to run.
□
Check to make sure the rubber seal gasket on the flush valve is completely closed. Clear any debris from the
gasket surface and sealing area of the flush valve which may be obstructing full closure.
REMOVING VALVE CAP ASSEMBLY
Turn off water supply and flush out tank. Push float up
with right hand (see picture). Grip and hold shaft
under float with right hand. With left hand, twist cap
and lever counter clockwise 1/8
th
of a turn to unlock
the top cap. Pressing down on top may be helpful with
older valves. Let cap assembly hand out float cup.
FLUSHING OUT DEBRIS
Hold cup upside down over uncapped valve to prevent
splashing. Turn water supply on and off a few times.
Turn water supply off when putting cap back on valve.
IF REPLACING SEAL
Use only a genuine Fluidmaster 242 seal.
REPLACING VALVE CAP
A.
Place cap assembly on top of grey valve
body by aligning cap arm and adjustment rod
next to refill tube.
B.
Press down on top cap while rotating top
arm clockwise to locked position.
242
SEAL
SEAL
LOCATION
A
B
