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Some toilet designs use a hidden toilet tank. The tank is usually hidden within a wall. The toilet bowl in this toilet design is mounted onto a frame on the bathroom wall.
To access such a toilet tank, you’ll need to remove the wall plate hiding the flush mechanism, also known as a flush actuator.
The most common problems with in-wall toilet tanks are a running toilet after flushing, a rocking bowl due to unleveled bowl mount, and toilet tank water level which is either too high or too low.
You may find it a bit challenging or complicated to address these problems.
However, you can fix problems with an in-wall toilet by yourself and save the money you would have spent on hiring a plumber. All you need are some easy-to-use tools. Here are the steps you’ll follow to fix your hidden toilet tank:
Step 1
First, locate a rectangular panel that covers the flush actuator. The panel cover should be somewhere on the bathroom wall just above the bowl.
Once you locate the actuator panel, pull it off to expose the toilet flush valve. The valve comprises of a straight, horizontal bar connected to a spindle or plastic rod.
The rod is then connected to the toilet flush actuator. These components work together to make the flush valve mechanism complete.
Step 2
Next, inspect the valve’s spindle or plastic rod. Start with locating two plastic ribs. The ribs are small in size and located beneath the rod’s head.
The end sections of the ribs should be resting on the back area of the flush actuator panel. There should be no gap between the two ribs. In case there’s a space between them, measure the space with a measuring tape.
You can rectify this problem by first pulling out the rod itself. Next, snap off the section of the plastic rod that equals the length of the space.
Once done, reinsert the rod back in place. The end of the rib should now touch the back area of the flush actuator panel as required.
Step 3
If the level of water in the bowl goes too high after flushing, then it means the level of water in the hidden toilet tank is higher than required. You can lower it by rotating the rod one turn in a counterclockwise direction.
On the contrary, in case the waste matter is not emptied from the toilet bowl upon flushing the toilet, then it means the water level in the tank is lower than required. You can increase it by rotating the rod one turn in a clockwise direction.
Step 4
If the toilet flush valve isn’t resting snugly onto the actuator, then you can create a better seal by pushing the straight, horizontal bar.
Step 5
If the toilet bowl is rocking, then it’s not properly leveled. You should adjust it to stop rocking. To do this, first, remove the caps covering the bolts from either side of your toilet bowl.
Next, take a wrench and use it to unscrew the nuts from the bolts. Next, take a level and set in on the bowl.
Try adjusting the bowl gently until it’s well leveled. Once done, tighten the nuts using a wrench. Put back the caps in place to hide the bolts.
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Tips for Fixing A Randomly Running Toilet