Frequently Asked Questions
Q. "What are the inserts that came with my flapper for? How do I use them?"
A. These "will fit" flappers are unique in that a variety of inserts are included to allow you to control how much water flushes from your toilet each time it is used. When you flush the toilet, the trip lever lifts the chain on the flapper to allow the water in the tank to flow into the bowl through the flush valve. The bottom cone-like part of the flapper holds air in it. Once lifted, the flapper floats until the water in the tank recedes, when the flapper lands back on the opening of the flush valve. These inserts allow you to control the amount of water that flows into the flapper cone while it is open or floating in the water, thus controlling how fast the flapper seals the flush valve opening.
The benefit of this is that you can easily conserve water by using an insert with a larger hole. As water flows into the flapper cone through a larger hole, it will close faster - meaning you will use less water to complete the flush cycle. If you need more water for a proper, sanitary flush, simply use an insert with a smaller hole.
To change inserts: Carefully twist the existing insert out of the bottom of the flapper. Then, carefully twist the new insert into the flapper. Easy.
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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. "My Universal Rundle toilet tank has a tilt valve. How does the Fluidmaster 400A fill valve allow the bowl to refill?"
A. If you are using a Fluidmaster 400A then you must also use the Fluidmaster #599 refill tube & clip. The clip attaches to the back of the tank and keeps the 1/4" refill tube pointed towards and into the overflow tube of the tilt valve. The 1/4" refill tube must not be attached directly into the overflow tube. There must be an air break between the refill tube and the overflow tube to keep the 400A from siphoning the water in the tank and putting it into the bowl continuously causing the 400A to turn on and off continuously.