Fluidmaster fill valve adjustment can be done by hand without removing the part from the toilet. This long, dark-colored tube will have a screw to its side; this can be adjusted either by hand or with a Philips-head screwdriver.
Full Answer
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 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,...
How does a Fluidmaster 400 fill valve work?
Hunker may earn compensation through affiliate links in this story. 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.
How do I adjust the water level in the valve?
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 fill valve?
Fluidmaster fill valves are made to deliver years of flawless flushes. Here are some simple steps you can perform to maintain your Fluidmaster fill valve which will keep it in tip top working condition.
How to tell if a Fluidmaster valve is rusting?
Look to see if rust is above the water line and/or rust or discoloration on the top cap lever arm assembly that is attached to the adjustment rod. If there is evidence of rust or it is discolored Fluidmaster recommends replacing the fill valve. If you have a stainless steel adjustment rod the valve is out of warranty period and should be replaced.
How to clean calcium build up on fill valve?
If the outside of the fill valve has calcium and mineral build-up; clean the valve by using vinegar and an old tooth brush to dissolve and break off the build-up on the surfaces of the fill valve. Then wash valve with warm soapy water and then rinse with fresh water.
When to replace water supply line?
Replace the water supply line when you replace the entire fill valve. Fluidmaster Click Seal® Toilet Water Supply Connector is recommended: A perfect seal every time without over tightening.
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 ...
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.
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 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.
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.
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 shut off valve on a toilet?
Locate the shutoff valve that controls the water supply to the toilet. The valve is usually located on the wall below the toilet tank and has a small handle. The valve will be connected to a water supply tube leading to the bottom of the toilet tank.
