Bathroom Toilet Basic - Flush Tank
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For a toilet to work properly, many things need to work, including the flush tank. This part of the toilet is what holds the water that is used when the toilet is flushed. Once flushed, water will then refill the tank through a ball cock, which is comprised of a valve that remains in an open or shut position determined by the float arm. The arm is what responds to the level of water in the tank. Although the flush tank will generally last many, many years, you can experience problems such as:
  • Water running constantly even when the tank is full
  • Water running constantly and the tank will not fill
  • Tank will only partially empty
  • Water leaks
  • Flush handle will not flush
  • Water pressure is too low
  • Tank makes whistling or splashing sounds
If you find that your flush tank is full of water yet your toilet will not flush, you could have a break in the lineage. This occurs when the handle becomes corroded or if the chain breaks. The first thing you should check is the chain, which is located between the lift wire and arm. If you find that the wire is rusty or has broken, you can simply replace it with a new one. The same would be true if the handle has rusted. However, if you find the lift wire guide is off alignment, you can usually realign it with no problem. If any of these do not correct the problem, then chances are you have some type of blockage in between the tank and the toilet bowl. You could use a straight, wire coat hanger to try to push the blockage through but if that fails, the following recommendations might work.
  • Start by turning the water supply off as well as the shutoff valve. If your toilet does not have a valve at the base, then you will need to turn the main water valve off.

  • Next, empty the tank by bailing as much water as you can out of the tank. To remove the remainder of the water, you can simply use a large sponge.

  • The water supply line will now need to be disconnected by unscrewing the nut located at the bottom of the tank. With an adjustable wrench, loosen the retaining nut and then use a pair of pliers to make sure the ball cock assembly does not rotate. Additionally, you want to place a bucket underneath since any water remaining in the tank or line will drip out.

  • Now, remove the bolts that hold the flush tank onto the back of the bowl. Just be sure you do this carefully in that too much force could cause the china bowl to crack.

  • Carefully lift the flush tank off and check the passageway to see if there are any clogs. If so, remove the clog and replace the flush tank to the boil.
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