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The flapper does not stay open long enough to refill tank

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Shorten the chain so it lifts the flapper higher, or if you have a flapper with a hole in the bottom, then close off the hole a bit so that the air stays in longer...


Posted on Sep 04, 2010


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How to adjust a toilet

  • Your toilet tank may simply need a good "tune-up." Here are some adjustments you can make.

  • Refill valve. If your tank has a conventional ballcock refill valve, the water level is adjusted by bending the float arm. The level should be high enough for complete flushes, but the water should not be to the top of the overflow pipe. Your tank should have a colored or molded water level mark. It should never be set so low that the bowl does not refill with trap sealing water. The rule of thumb is to set the water level about 3/4" below the top of the overflow pipe.

  • If the float rubs on other parts, simply adjust the float arm sideways. If the float lacks buoyancy, unscrew then shake it to determine if it is waterlogged. A waterlogged float should be replaced. The float arm can also be replaced, if needed.

  • In tanks using modern plastic refill valves, the tank water level is adjusted in other ways. If your tank uses a hand nut, turn the nut clockwise to raise, or counterclockwise to lower, the water level. Or, your tank may have a sliding pinch clamp on an adjustment rod.

  • Flush valve. Replacements for a flush ball and its actuating mechanism are available, but it may be possible to stop a leak with minor adjustments. Check the following mechanisms before purchasing replacements.

  • See that the guide arm is centered directly over the seat. The guide arm should drop the flush ball directly into its seat. If the flush ball is not seating properly, make the adjustment shown.

  • The guide arm should allow the flush ball to rise enough for a complete flush. If not, raise the arm. Be careful that it isn't too high–then it will prevent the ball from closing completely.

  • Check that the upper lift wire pulls the flush ball high enough. To adjust it, simply bend the wire for a higher or lower lift.

  • The lifting hardware on a flapper-type flush valve should raise the rubber flapper to start a flush, but should not hold the flapper up off its seat. If this is occurring, the hardware is adjusted too short. Some types allow you to slide the flapper itself up or down on the refill tube to ensure that the flapper meets the valve seat squarely. The lifting hardware and flapper height adjustments are the first things to check when flapper problems arise.

  • Refill tube. If the bowl-refill tube is out of place, water is routed directly into the tank, rather than replenishing water in the bowl. When this is the case, you will likely hear splashing sounds during tank refill. The refill tube should aim directly into the overflow pipe but should not reach below water level. If the tube extends too low, it will siphon tank water silently away. Fix it by repositioning as shown.

  • Defective refill tubes on some valves can be replaced with new plastic ones. Simply place one end of the plastic tube over the serrated plastic lug on the body of the valve, and place the plastic holder in the top of the overflow pipe.
  • on Jan 16, 2010 | Plumbing

    1 Answer

    Hymer 544. How do I stop the flush from running continuously?

    After the tank empties, the flapper must drop into the tank outlet and seal it to prevent leakage as the tank refills. Otherwise, the tank empties as rapidly as it refills. The flapper could be defective or the linkage may require adjustment.

    Aug 17, 2015 | Home

    3 Answers

    I purchased a Fresca FTL2336 Apus One-Piece toilet and installed it. I can hear a constant drip of water escaping from the tank causing the toilet to refill every few hours. I have lifted the flapper,...

    The flapper may be defective or not seating completely which causes a continuing slow leak until the tank level drops low enough to cause the flush valve to refill it. I find a cheap flapper lasts just as long as more expensive ones and lasts about as long. Arbitrary replacement of the flapper is a regular periodic maintenance item

    Feb 16, 2013 | Fresca FTL2336 Apus One-Piece Square...

    1 Answer

    How to stop a toilet from flushing on its own

    What is happening is that water is seeping out of the toilet quietly until the level drops low enough in the tank thus causing it to refill on its own. Solution replace the flapper.

    Jan 21, 2013 | Home

    1 Answer

    After toilet flushes tank does not refill

    If it has a flapper in the bottom of the tank, the flapper is probably stuck open due to something restricting it or may be just worn out. Take the top of the tank and look directly down at the center. Flush the stool and you will see the flapper come up. A few seconds it should go back down and seal the outlet.

    Apr 09, 2011 | Kohler Cimarron 2-PC Elongated Toilet with...

    1 Answer

    I have a new Kohler toilet. Sometimes after flushing the handle stays down and the closet does not refill because the flapper is in the up position. I thought it was an air pressure problem because when...

    is there a chance you have an air pocket in the flapper itself... try replacing flapper with a solid black rubber one.... they have more weight to them maybe the lever on the out side of the tank is getting caught up on the bottom of the lid

    Oct 07, 2010 | Kohler Home

    1 Answer

    Refill water doesnt stopkeeps running

    could be that the flapper is not seating properly and lets the toilet tank slowly drain into the bowl..

    clean flapper and drain to toilet in tank and verify for proper seating.

    if it still runs, my opinion would be to change flapper.. (if new enough, then under warranty)

    Aug 02, 2010 | Caroma Home

    1 Answer

    My dual flush toilet fills up slowly how do i fix

    Lift the tank lid off, place it somewhere safe for a moment, and look at what happens: If you're talking about jiggling the handle to get the tank to start to fill with water, then it sounds like the chain or rope is out of adjustment. It can't be TOO TIGHT or the water will leak past your flapper (will cause your dripping noise, tank water level will leak down, causing constant refills), and it cant be TOO LOOSE or the toilet won't flush correctly. Since you didn't mention trouble flushing the toilet, I think that it may be a little too TIGHT. When you jiggle the flush lever-it is supposed to pull a chain or cable to open the flapper at the bottom of the tank. Flush the tank and watch what happens-all the way through to refilling the tank with water and shutting off the water refill valve-Does the flapper get stuck on the chain or something? It is supposed to fall back down to allow the tank to refill after flushing out your toilet. Does the chain look very loose? The dripping sound you described indicates that the flapper is not sealing 100%. The flapper is very easy to replace, you just have to get the adjustment set for when you flush the toilet how sensitive you need it. You amy have to play with it a little bit before you get the adjustment correct.

    Hope this helps!

    Nov 08, 2009 | Home

    1 Answer

    Have to flush 2 or 3 times to empty toilet bowl

    hello, this is a standard toilet you will need to inspect the flapper that is the rubber flap that holds the water up in the tank it works when you pull the lever it pulls the chain upward and lets the water flow if this flapper is old it may not stay up long enough for the water to flow. open the tank top and flush the toilet see if this flapper is staying up long enough and giving the tank enough time to empty if not change this rubber flapper its inexpensive part.
    if this is not the reason then you need to adjust your water filler valve there should be a small screw on top of the pivoting float arm
    if you have to adjust it for the water limit line inside the tank this will be the proper amount of water needed to flush once completely

    also check that the chain lenth on the pull lever is not pulling the flapper down quicker than its supposed to,

    try this let me know your results
    hope it helps

    Dec 15, 2008 | American Standard Home

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