Fluidmaster flappers can be adjusted in three different ways: Turning the flapper cone from a minimum to maximum setting, so you are moving the secondary hole away from the top of the tank which traps the air in the flapper cone for a longer period of time.
How do you adjust the water level on a Fluidmaster toilet?
Adjusting the toilet tank water level with a Fluidmaster Model 400 fill valve does not require turning off the water to the tank. The fill valve uses a float that moves up and down the valve rather than a float ball. Adjusting the valve adjusts the amount of water that comes into the tank after flushing.
How do you adjust a Fluidmaster Pro 45?
The Fluidmaster Pro 45 valve is an anti-siphon, adjustable toilet fill valve. The valve can be adjusted from nine to 14 inches long. The Pro 45 has two adjustments. One adjustment is on the shank of the valve. The other adjustment is a screw type that is between the cap and the float for fine adjustment.
How do I replace the seal on my Fluidmaster fill valve?
How to Replace a Fluidmaster Fill Valve Seal. Water will flow out of the fill valve, into the cup, and then down into the toilet tank. This flushes any debris from the valve. Close the shutoff valve by turning clockwise until it stops. Remove the old fill valve seal from the valve cap. Install the new valve seal,...
Do you have to flush a Fluidmaster 400?
When properly adjusted, the Fluidmaster 400 fill valve needs little attention, and because all the parts are plastic, it won't rust or corrode. If the tank fills slowly, though, you may have to flush the valve, and you can do this in a few minutes.

What is the most common problem associated with the fluidmaster?
COMMON PROBLEMSToilet Tank Won't Fill Up Or Is Slow To Fill.Toilet running constantly.Toilet flushes on its own (Ghost Flushing)
How do you fix a Fluidmaster toilet that keeps running?
0:493:41How to Fix a Running Toilet with Fluidmaster 400H Fill Valve from ...YouTubeStart of suggested clipEnd of suggested clipFrom the old toilet tank inspect the gasket on. The new fill valve it's usually in the rightMoreFrom the old toilet tank inspect the gasket on. The new fill valve it's usually in the right position. But just double-check that that's a case and then insert the 400h. Down into the tank.
How do you adjust the height on a fill valve?
1:573:37Adjust Height Fluidmaster Fill Valve While in Toilet Tank - YouTubeYouTubeStart of suggested clipEnd of suggested clipGrasp the lower black body of the fill valve. And turn the gray body counterclockwise to raise theMoreGrasp the lower black body of the fill valve. And turn the gray body counterclockwise to raise the valve and clockwise to lower it. During their final adjustment.
How do you adjust a fluidmaster Pro Series?
0:371:45Adjusting height of fill valve when installed in tank - YouTubeYouTubeStart of suggested clipEnd of suggested clipPlace your thumb on the side of the arm and twist the cap and the arm together. And then it's goingMorePlace your thumb on the side of the arm and twist the cap and the arm together. And then it's going to lift right off the top of the valve remove the refill hose. From the nipple.
How do you adjust a Fluidmaster toilet fill valve?
1:111:53FluidMaster® Fill Valve : Adjusting Your Water Level - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd the adjusting screw as the water begins to refill in the tank. You want to turn the adjustingMoreAnd the adjusting screw as the water begins to refill in the tank. You want to turn the adjusting screw on the end of your fill valve. You will turn the screw. Counterclockwise.
Why is my toilet running all the time?
The Flapper Is Leaking and Needs Replacing Perhaps the most common reason for a running toilet is an old flapper that needs to be replaced. When flappers get old, they don't seal the way they should, and this allows water to pass constantly from the toilet tank into the bowl.
Where is adjustment screw on fill valve?
Turn an adjustment screw located on the top of the valve. To raise the water level, turn the adjustment screw clockwise; to lower the water level, turn the screw counterclockwise.
How do you lower a toilet fill valve?
1:232:53Adjusting Toilet Fill Valve - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe are gonna have to stick our hand inside of the toilet to make the adjustments. You can see hereMoreWe are gonna have to stick our hand inside of the toilet to make the adjustments. You can see here at the base of the fill valve that little grey plastic ring we're gonna have to actually pop that up
How do you adjust the water level in a dual flush toilet?
3:195:40How to Adjust the Flush Water Level on a dual flush Toilet - YouTubeYouTubeStart of suggested clipEnd of suggested clipAs you turn after what I want the normal level I think is there and from what I can see it says sixMoreAs you turn after what I want the normal level I think is there and from what I can see it says six liters. So I want the toilet water to actually come up closer to the overflow.
How high should the fill valve be in the toilet tank?
In general, the tank's water level should be roughly 1 inch below the top of the overflow tube, which is the open pipe in the tank's middle. A constantly running fill valve is almost certainly set too high, enabling water to escape into the overflow tube.
How do you adjust a floating cup fill valve?
If you have a float-cup valve, turn the valve's adjustment screw clockwise or counterclockwise to raise or lower the water line. With an internal float valve, turn the entire valve counterclockwise to unlock it. Pull the top of the valve up to raise the water level.
How do you adjust the fill speed on a toilet?
For newer toilets, turn the fill valve adjustment knob with your hand to let more water into the tank. For all toilets, make sure the water level is about an inch below the top of the overflow tube. Flush the toilet and then check to see if the tank fills at the right rate and with the right amount of water.
How do you fix toilet valve that won't shut off?
0:343:21How to Fix Stuck Bathroom Water Toilet Shutoff Valve? Repair without ...YouTubeStart of suggested clipEnd of suggested clipSo the first thing to do take that Phillips head screwdriver. And what you're going to do is put itMoreSo the first thing to do take that Phillips head screwdriver. And what you're going to do is put it in the center screw.
Why is my toilet not shutting off?
Usually this is caused by one of the following problems: The water level in the tank may be at or above the top of the overflow pipe. The flapper or stopper ball that closes off the outlet at the bottom of the tank may be defective. The fill valve may need replacing.
How do you fix a phantom flush?
0:372:154. How To Fix Phantom Flushing - YouTubeYouTubeStart of suggested clipEnd of suggested clipPut your hand in 3/4 of the way down the center of the tank and grab the flush valve to a quarterMorePut your hand in 3/4 of the way down the center of the tank and grab the flush valve to a quarter turn counterclockwise to remove the flush valve from the housing.
Why does my toilet cistern not stop filling?
If your cistern is constantly filling the most common problem is a faulty float valve or a poorly adjusted float arm. This is both noisy and wasteful. There are three valves that can break in the toilet cistern, the float valve, diaphragm valve and flap valve.
How does a Fluidmaster 400 toilet float?
If your toilet already has a Fluidmaster 400 fill valve, you won't see a ball float when you open the tank, but instead a cup float that rides up and down on the fill valve tube. The float is connected to the valve mechanism by a plastic rod, and on the end of the rod is a nut or a wheel that adjusts the length of the rod. Fluidmaster provides detailed instructions on how to use this nut to adjust the water level in the box in which the valve is supplied.
What is a Fluidmaster 400 fill valve?
The Fluidmaster 400 fill valve controls the water level in the toilet tank. If you have an older toilet, it probably features a traditional ballcock fill valve controlled by a ball float on the end of an armature. This type of valve isn't quite obsolete, but it probably soon will be, because cup-style valves, of which the Fluidmaster 400 is one ...
Which way to turn a nut to lengthen a rod?
If the water rises past this level, turn the nut counterclockwise to lengthen the rod. If, on the other hand, the water doesn't rise high enough, turn the nut clockwise .
Can you replace a ballcock on a toilet?
You can install a Fluidmaster 400 fill valve on most toilets. Replacing the old ballcock can improve toilet operation and save water. It's an easy job that takes about 15 minutes and starts with turning off the water, emptying the tank and unscrewing the water supply hose from the toilet.
Does Fluidmaster 400 rust?
When properly adjusted, the Fluidmaster 400 fill valve needs little attention, and because all the parts are plastic, it won't rust or corrode. If the tank fills slowly, though, you may have to flush the valve, and you can do this in a few minutes.
How does the Fluidmaster toilet flapper work?
Fluidmaster's Adjust-A-Flush toilet flapper valve adjusts the volume of water that flows from the tank into the bowl for each flush. A dial setting on the flapper adjusts the amount of air escaping from the cone of the flapper, altering how long the valve floats in the open position before "flapping" shut. This saves water and is a more efficient way of controlling flush volume than lowering the water level in the tank itself. The Adjust-A-Flush is no more difficult to install than a standard flapper and does not require any special tools.
How to adjust a flush flapper?
Snap the adapter ring off the Adjust-A-Flush flapper. Slide the flapper assembly down over the overflow drain pipe, centering the flapper over the drain opening. Lock the flapper assembly to the mounting ears on the overflow pipe by pushing down firmly. Make sure the flapper opens and closes freely.
How to adjust the flush volume on a septic system?
Adjust flush volume by rotating the flapper around numbered settings printed on the body of the valve. The chain attachment fitting on the valve frame is the center point. Rotate the flapper body from "1" for the quickest flush/lowest water volume to "9" for the longest flush/maximum water volume, with "4" as the standard setting.
How to connect a tank flapper chain?
Connect the flapper chain to one of the holes in the tank handle arm. Select a hole that will allow only slight slack in the chain when the flapper is closed.
Is Adjust A Flush easier to install than a flapper?
The Adjust-A-Flush is no more difficult to install than a standard flapper and does not require any special tools. Advertisement.
How long is the Fluidmaster Pro 45?
Things You'll Need. The Fluidmaster Pro 45 valve is an anti-siphon, adjustable toilet fill valve. The valve can be adjusted from nine to 14 inches long. The Pro 45 has two adjustments. One adjustment is on the shank of the valve.
How to adjust a Pro 45 valve?
Adjust the valve by holding the top part of the valve and turning the bottom of the shank. Place the Pro 45 back in the hole once the proper height is obtained, and screw the plastic mounting nut on the shank with the channel locks, but don't over-tighten the nut , so as not to crack it. Advertisement.
Where is the water supply valve on a toilet?
Turn the toilet water supply valve, which is normally located on the left side of the toilet under the tank. Pull the lid off of the tank, and set it in a safe location, so it does not break.
How to repair a Fluidmaster valve?
Often, repairing a fill valve is done by simply replacing the entire fill valve, but Fluidmaster fill valves can be repaired by just replacing a seal inside the unit. If your Fluidmaster fill valve is not shutting off all the way or not filling quickly like it did when it was new, then replacing or cleaning the fill valve seal will most likely fix the problem.
How to open a toilet shut off valve?
Use your other hand to carefully open the shutoff valve by turning it counterclockwise. Water will flow out of the fill valve, into the cup, and then down into the toilet tank. This flushes any debris from the valve.
How to clean calcium build up on valve?
Clean the valve of calcium or mineral build-up by dissolving it with vinegar applied with an old toothbrush. After the surface is clean, wash the valve with warm soapy water, then rinse.
Where is the valve seal on a valve?
Lift the cap from the top of the valve and set it aside. The valve seal is inside the cap.
