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How to Replace a Toilet Fill Valve – Part 3

This project is continued from Part 2.

The Brasscraft® Toilet Connector hose (left) comes pre-assembled with the cone washer. The Fluidmaster® Fill Valve kit provides the shank washer and cone washer (right) as a single casting.

Brasscraft Toilet Connector Hose and Fluidmaster Cone Washer

I don’t need the Fluidmaster cone washer, but I do need the shank washer. Separate the cone washer from the center of the shank washer by either cutting the four tabs or carefully pulling apart at the tabs.

The cone washer is separated from the shank washer:

Cone Washer and Shank Washer

The height of the Fluidmaster Whisper Fill Valve is adjustable, just twist the threaded shank. I needed increase the height of the fill valve by about two inches as shown here.

Do not remove the lock ring. The lock ring holds the body of the fill valve on to the shank. Without the lock ring, the fill valve could pop off and you’ll have a fountain of water shooting out the top.

Toilet Fill Valve with Shank Washer

Slide the shank washer onto the threaded shank. The flat side goes against the valve and the beveled end faces away as shown. The purpose of the shank washer is to make a water tight seal against the bottom of the toilet tank.

Slide the Shank Washer onto the Threaded Shank

The toilet fill valve and shank washer ready to be installed in the toilet tank:

Fluidmaster® Whisper Fill Valve with Shank Washer

Place the fill valve inside the tank and orient the valve body so the nipple is generally pointed towards the overflow tube as shown. Make sure the fill valve is not touching sides of the tank or the flush arm.

Fluidmaster Toilet Fill Valve placed inside the Toilet Tank

Reach inside the tank and hold the fill valve in position by the shank. While holding the fill valve, tighten the lock nut. Notice that the Fluidmaster lock nut has generous “wings” to hand tighten. Hand tighten only – you only need to compress the shank washer for a watertight seal. If you over tighten the nut, you could crack the porcelain tank.

Fasten the Fill Valve with the Lock Nut

This project is continued in Part 4.

Take care,

Bob Jackson

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  1. How to Replace a Toilet Fill Valve - Part 2 | HandymanHowto.com - April 17, 2010

    [...] This project is continued in Part 3. [...]

  2. How to Replace a Toilet Fill Valve - Part 4 | HandymanHowto.com - April 17, 2010

    [...] This project is continued from Part 3. [...]

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