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TROUBLESHOOTING
See Our Troubleshooting
HOW-TO VIDEO
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VIDEO
IF THE FILL VALVE:
• DOES NOT TURN ON
• WON’T TURN OFF
• WON’T REFILL TANK
REMOVE CAP AND CHECK FOR DEBRIS
A: Turn off water supply.
B: Flush toilet.
C: With right hand push float up, grip and
hold shaft under float.
D: With left hand twist cap and lever arm
counterclockwise to unlock cap. Let
cap hang on float cup.
E: Hold empty cup upside down over
uncapped valve to prevent splashing.
F: Turn water supply on and off a few
times.
G: Turn water supply off.
H: Replace valve cap.
TURN
COUNTER-
CLOCKWISE
• Place cap assembly on top of
gray valve body by aligning cap
arm and adjustment rod next to
refill tube.
• Press down on top cap while
rotating top & arm clockwise
to locked position.
A: WATER FROM REFILL TUBE MUST
FLOW THROUGH OVERFLOW PIPE
Make sure the refill tube is supplying
water down overflow pipe. (Metal side
out for refill clip)
B: WATER LEVEL IN TANK MAY BE
TOO LOW
1/2” below top of overflow pipe is
recommended (see page 8).
C: FLAPPER MAY BE CLOSING
TOO SOON
Give flapper chain approximately
1/2" of slack.
WATER LEVEL IN BOWL IS TOO LOW
Overflow
Pipe
Refill Tube
1/2"
Overflow
Pipe
REPLACE FILL VALVE SEAL
• Place cap assembly on top of gray
valve body by aligning cap arm and
adjustment rod next to refill tube.
• Press down on top cap while
rotating top & arm clockwise to
locked position.
A: Remove cap (see page 12).
B: Replace seal with a
*genuine
Fluidmaster 242 Seal.
C: Replace valve cap.
*
Always use genuine Fluidmaster parts when installing or repairing. Fluidmaster will not be
responsible or liable for use of non-Fluidmaster parts during installation or repair.