Fluidmaster Toilet Fill Valves

Replace leaky toilet parts to save our natural resources

Fluidmaster makes a variety of replacement fill valves, many of which will fit most toilets. At PlumbingSupply.com® you'll find the perfect fit for your toilet with excellent prices and exceptional customer service! If you need additional toilet replacement parts, we have you covered!

Fluidmaster 400 Series Toilet Fill Valves

sample image of a Fluidmaster fill valve
This Fluidmaster 400A series fill valve features:
  • Adjustable height 9" - 14" fits most tanks
  • Anti-siphon design prevents contamination of drinking water supply
  • Water lever adjusts easily for best flush every time!
  • Turn and lock top for easy servicing
  • Every box comes with 1 fill valve with integrated float, 1 refill tube &
    angle adapter, 1 shank washer, 1 locknut, 1 cone washer, and 1 coupling nut
  • Includes installation instructions
  • #400A shown left

Greater savings when you buy in bulk!!
Item Description Price & Quantity
Each
Price & Quantity
10 Pack
Price & Quantity
25 Pack
#400A toilet fill valve $16.62 $89.24 $209.94

Item Description Price & Quantity
#400A with #599 refill tube & clip - for Universal Rundle or Sears Tilt Flush Valves or toilet tanks with built-in China overflow $14.60
#400LS Leak Sentry toilet fill valve - Adjustable height from 9" to 14" - Prevents automatic refill of leaky tanks - view dimensions $8.29
Fluidmaster fill valve parts
Angle adapter with clip for Fluidmaster 400A fill valve - Replaced by B12-350 $3.01
Refill tube and angle adapter with clip for Fluidmaster 400A fill valve $3.95
Seal for Fluidmaster 400A, 400LS PROA, 100, 200, & 200A fill valves $2.36
Replacement Cap for Fluidmaster 400A with plastic screw $5.87
Replacement Cap for Fluidmaster 400A with stainless link Discontinued
Refill Tube Only - clear - 12" length $2.22
Fluidmaster specialty parts
Special Refill tube and clip - #599
- Also used for Universal Rundle or Sears Tilt Flush Valves or toilet tanks with built-in China overflow
$4.91

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How to Install a Fluidmaster 400A


Fluidmaster 400H-002 PerforMAX Fill Valve
(Former 400AH, 400ARHR)

Fluidmaster 400H-002 PerforMAX Fill Valve (Former 400AH, 400ARHR)
This Fluidmaster 400H-002 PerforMAX Fill Valve (Former 400AH and 400ARHR) features:
  • EZ-Twist adjusts from 9" - 14" to fit most tanks including many:
        • High efficiency toilets (HET) 1.28 gal
        • Dual flush, including DUO FLUSH®
        • 1.6 gallon toilets with 2" and 3" flush valves (1994 and newer)
        • Older high gallon toilets with 2" flush valve (1994 and older)
  • Quick and easy installation
  • Large turbo port for exceptional fill power
  • Water saving roller clamp lets you regulate fill level in the bowl, saving water and money
  • Double flange design for ultra quiet fill
  • Torque guard lock nut prevents thread damage from over-tightening
  • Turn and lock top for easy servicing
  • Anti-siphon design prevents contamination of drinking water supply
  • Includes installation instructions
  • View dimensions

#400H-002 PerforMAX toilet fill valve = $17.05

Replacement #215 Water Saving Roller Clamp, Refill Tube & Angle Adapter Clip = $4.62

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Fluidmaster PRO45B Fill Valve

image of the Fluidmaster Pro45b toilet water control valve
Model PRO45B Features:
  • Heavy duty brass shank manages water flow, eliminating water hammer by 99% and delivering tank refill at half the noise level of other valves
  • Adjustable height for a universal fit and a float screw for fine tuning
  • Extremely durable
  • Preferred by professional plumbers
  • Includes installation instructions

Model# Price & Quantity
Fluidmaster PRO45B Fill Valve $18.79
Fill Valve Replacement Seal Only $2.42
Fill Valve Replacement Cap Assembly Only $3.04
Refill Tube Only - clear - 12" length $2.22

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Fluidmaster PRO45U Fill Valve

Fluidmaster Pro45U
Model PRO45U Features:
  • HIGH FLOW or low flow universal fill valve
  • Utra-quiet operation
  • 6 refill inserts for choice of refill rate
  • Easy to adjust bowl refill rates specific to the TOTO® and Kohler® Class 5 toilets
  • Designed to fit old 5 GPF or new 1.28 HET
  • Virtually eliminates water hammer
  • Restores toilets to factory specifications
  • Adjustable overall height from 9" to 14"
  • Water saving adjustable roller clamp helps prevent water waste by reducing refill rate of standard refill toilets
  • Anti-siphon/backflow design prevents contamination of fresh water supply
  • View chart showing insert use for various toilet models
  • This could be the only fill valve you need to keep on hand

Model# Price & Quantity
Fluidmaster PRO45U Universal Fill Valve $10.52
Fill Valve Replacement Cap Assembly Only $3.04
Fill Valve Replacement Seal Only $2.42
Replacement Water Saving Roller Clamp, Refill Tube & Angle Adapter Clip $4.62

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Fluidmaster PRO45C Fill Valve

Fluidmaster Pro45c toilet fill valve kit with flapper
Model PRO45C Features:
  • Ultra quiet fill valve - less water hammer, and delivers tank refill at half the noise level of other valves
  • Minimal water hammer
  • Adjustable height for a universal fit and a float screw for fine tuning
  • Includes heavy duty PRO55 flapper
  • Includes installation instructions

Model# Price & Quantity
Fluidmaster PRO45C Fill Valve $7.40
Fill Valve Replacement Seal Only $2.42
Refill Tube Only - clear - 12" length $2.22

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Related Items & Information



Frequently Asked Questions

Q. "I installed a new fill valve and my new valve comes on (and then goes off) for a few seconds about once per hour?"
A. This could be caused by many things. The most common is with a Fluidmaster 400. This is a great valve but be sure to install the 1/4" tube per their instructions. Use the clip that comes with it and do not just stick it into the overflow tube or it will go on and off every so often by itself. If that isn't it, take some food coloring and place it in your tank. Wait a few hours and if some of the color has gone into the bowl then you probably need a new flapper.

Q. "What are the most commonly replaced toilet parts?"
A. This depends on several factors; each time you use your toilet the trip lever, flapper, and fill valve are operated. You will find, however, that the flapper and fill valve are the parts most exposed to water and will be the first ones to wear out in most cases.


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