Fluidmaster 504 User Manual
QUICK Install Guide
400A FILL VALVE
*See back page for important legal information.
SPANISH - Page 14
INSTALL WITH CONFIDENCE
VIDEO
HOW-TO VIDEO
VISIT: FLUIDMASTER.COM
400A PRODUCT PAGE
GETTING STARTED
STEP 1: PREPARE TANK
PARTS OVERVIEW
Shank Washer
Tank Water Level
Adjustment Screw
Refill Tube
Refill Clip
TOOLS NEEDED
SpongeBucket
Towel
TOP DOWN VIEW
Scissors
(Optional)
A: TURN OFF WATER
TURN
CLOCKWISE
B: DRAIN WATER
Flush toilet to drain most of the water from the tank.
FLUSH
C: USE SPONGE OR TOWEL TO SOAK UP
Locknut
Tank Water Level
Adjustment Screw
2 3
EXCESS WATER IN TANK
Sponge
Towel
STEP 2: REMOVE OLD FILL VALVE
STEP 3: ADJUST HEIGHT OF NEW FILL VALVE
A: REMOVE CONNECTOR
Remove water supply
connector from bottom
of fill valve by twisting
connector nut to the left
(clockwise).
NOTE: Inspect water
supply connector.
Replace it if it is worn, or
Towel
(Optional)
you don’t know how old it is, to
prevent flooding and property damage.
B: REMOVE OLD LOCKNUT
Below tank, twist locknut
to the left (clockwise) to
remove from fill valve.
C: REMOVE OLD FILL VALVE
Including refill tube, refill
clip and shank washer.
Drain any excess water
into bucket by removing
fill valve from tank.
(Pull fill valve up)
LEFT
LEFT
A: TWIST FILL VALVE TO ADJUST HEIGHT
Top of fill valve cap should measure roughly 3"
above top of overflow pipe when installed.
NOTE:
Increasing height allows
more water to fill in the tank.
HOLD
TWIST
LEFT
Fill Valve Cap
*Lever Hole
Do Not Move Lock Ring
TOP OF FILL VALVE CAP
3"
TOP OF OVERFLOW PIPE
Overflow Pipe
Bucket
(Optional)
4
The top of the overflow pipe must be a minimum of 1" below tank lever hole.
*
5
STEP 4: INSTALL NEW FILL VALVE STEP 5: FINISHING STEPS
A: PUSH REFILL TUBE ONTO FILL
VALVE REFILL PORT
B: ATTACH REFILL CLIP TO OTHER
END OF REFILL TUBE
C: INSERT FILL VALVE
Position refill tube to face flush valve
making sure fill valve parts do not
interfere with lever arm.
Fill Valve
Refill Tube
Lever Arm
Overflow
Pipe
TOP
DOWN
VIEW
D: ATTACH REFILL CLIP TO
OVERFLOW PIPE
Note: If refill tube is too long to
fit inside tank with lid closed,
remove refill tube from fill valve
refill port, cut tube, and
Scissors
(Optional)
reattach to port.
A: ATTACH WATER SUPPLY
CONNECTOR TO FILL VALVE
Twist to the right
(counterclockwise)
*Hand-tighten only.
DO NOT OVER TIGHTEN.
RIGHT
B: TURN ON WATER
Check for leaks.
(Go to www.Fluidmaster.com/support
for leak solutions.)
TURN
COUNTERCLOCKWISE
C: WATER LEVEL
After the tank stops filling, water level should fill the tank to
roughly ½ inch below top of overflow pipe to ensure a
proper flush. (Does not need to be exact.)
Top of
**Lever Hole
Overflow Pipe
1/2"
Water Level
Overflow Pipe
E: INSTALL LOCKNUT
Screw locknut to the right
(counterclockwise) onto fill valve shank
RIGHT
(below tank).
*Hand-tighten only. DO NOT OVER TIGHTEN.
Over tightening may crack the fill valve or tank causing flooding. Make sure the float cup
*
does not touch the tank walls or tank lever and flush valve.
6 7
Over tightening may crack the fill valve or tank causing flooding. Make sure the float cup
*
does not touch the tank walls or tank lever and flush valve.
The top of the overflow pipe must be a minimum of 1" below tank lever hole.
**
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