Fluidmaster Toilet Fill Valve 14 in. H Plastic(400LSRP4)

Item no: 4396354 | 039961415080
140  Estimated 

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  • Product Type: Toilet Fill Valve
  • Height Maximum: 14 in.
  • Material: Plastic
  • Flapper Included: No
  • Adjustable Height: Yes
  • Height Minimum: 9 in.
  • Height: 14 in.
  • Compatibility: Fits most toilets, including 1.6 gallons per flush models.
  • Hardware Included: Yes
  • Number of Pieces: 1
  • Width: 3 in.
  • Dual Flush: No
  • Length: 3 in.
  • Prevents toilet running due to flapper leaks
  • Prevents automatic refill of a leaking tank
  • Height adjusts from 9" to 14" to fit most toilets

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What people are saying

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by PowerReviews
FLUIDMASTER 1021686Fluidmaster Toilet Fill Valve with Leak Sentry (400LSRP4)

(based on 2 reviews)

Ratings Distribution

  • 5 Stars



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Reviewed by 2 customers

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Don't Recommend

By Bob

from SC

About Me High-end Shopper

Verified Reviewer



    • Difficult Assembly
    • Flimsy

    Best Uses

      Comments about FLUIDMASTER 1021686 Fluidmaster Toilet Fill Valve with Leak Sentry (400LSRP4):

      Normally these kinds of valves are pretty easy to install and setup. This particular unit was neither. First the directions says that the measurement to the CL mark is "CRITICAL". Not sure what that means. But taking this measurement is not easy as you have to use a small level from the top of the fill tube to the CL mark to see if the height of the unit is proper. Problem is that the float system gets in the way of the level so it is not easy to make a "CRITICAL" measurement. So I got it as close as possible.

      When I filled the tank up with water I noticed two other issues. First is that water was leaking from the top cap. I tried adjusting the cap but it didn't stop. Second was during the flush cycle the float would stick sometimes and not work so the tank didn't get filled properly. I called my plumber and he indicated that he had the same issues over the years. Fluidmaster suggested that I take the cap off and clean out the system. Bottom line is I didn't use the unit.

      • I Am A:
      • Family Older Kids

      Fluidmaster 400ls defective parts

      By Ellis

      from Independence Mo

      About Me Avid Do-It-Yourselfer


      • Easy To Install


      • Leaks

      Best Uses

        Comments about FLUIDMASTER 1021686 Fluidmaster Toilet Fill Valve with Leak Sentry (400LSRP4):

        Bought this from westlake one month ago and it now leaks and allows the stool to overflow through the flush handle.

        Displaying reviews 1-2

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