How to fix 6 common one-piece toilet problems?

One-piece toilets are another type of tremendous toilet that has decent popularity for compactness. The toilet bowl and tank are sold as a unit. So it is easy to install, but what bothers the consumers is that they are much more prone to damage. It is not like the conventional models that have separate tanks and bowls. It has a combined arena of trajectories. The tank and bowl are all the same piece.

A weighted flapper valve has a hole at the bottom. The incessant flowing from the tank to the bowl is sometimes corrupted, or the flapper can deteriorate. Hard water build-up kay also damages the internal parts of the one-piece toilets. So the management in the busy toilet trapways may need to be hampered in a good way. The sealing hole could feel the agony as well. So to solve all the issues, you need to be much more prudent. This article is all about the terms for resolving the issues in a One-piece toilet. 



  • Shut Off Water Supply Line
  • Test Float Cup
  • Test Fill Valve/Install New Fill Valve
  • Remove Flapper/Install New Flapper
  • Turn On Water Supply Line
Loose Flush Handle
  • Turn Off The Water Supply
  • Remove Tank Cover
  • Tighten The Toilet Handle Nut/Install New Flash Handle
  • Turn On The Water Supply
Running Toilet
  • Turn Off The Water
  • Remove The Tank Lid
  • Check the flapper/Install New Flapper
  • Check Fill Valve/Install New Fill Valve
  • Turn On The Water
Damaged Flush Valve
  • Turn Off The Water
  • Remove The Tank Lid
  • Install New Flush Valve
  • Turn On The Water
Corroded Ballcock
  • Turn off the water
  • Unscrew The Nut Holding The Ballcock
  • Install a New Ballcock
  • Turn On The Water
Severe Clogs 
  • Take a Plunge
  • Using Boiling Water/Baking Soda/Vinegar

Methods of fixing a one-piece toilet

Here, we have tried to mention all types of misfortunes that might occur in a One-piece toilet and also have given all the possible solutions.  

Fixing a bad leakage

We know that most toilet problems happen in the tank or bowl. But the water seeping around the base might be so much in a while along the floor. The toilet bowl has a little condensation with the base, and the actual time frame has nothing to do with it. The toilet indicates a real problem that has been on the wane. The problem from the outstanding regiments has a closer toilet organogram than before. 

Fixing a Loose One-piece Toilet Flush Handle

A loose and disconnected flush handle can be so inadvertent if it affects the rest of the tank. In a One-piece toilet, you need to reconnect the lift wire. The proper lifting arm from the flapper needs to be attached, and the simple mounting nut has nothing to do with the tank. The threads must be positioned in a counterclockwise rotation. The issues that have problems with the wax ring must be proliferated in the sense of urgency. The base of the toilet could be in the drain opening set so as to the floor of the bathroom. 

Running One-piece toilet

The One-piece toilet could have been in the same position as the widespread synchronization. You can fix all the issues by yourself. The constantly running toilet has a relatively easy flapper. The seating itself could be running in the flush valve. The water level is so high that the overflow tube faces a straightforward directorate. All refill valves have an adjustment to the water level. The flapper valves can be modified or replaced easily.     

Repairing a Damaged Flush Valve

the center of the tank has a rubber flapper, and it is a great way to explain why the major components are on the wane. The flush valve is something that needs a plastic fitting. It is often attached to the bottom opening. The float ball and flapper sit against the valve opening. Water in the tank remains static as it has been on the wane. If the handle is depressed, then the lift wire is more or less lifted to the flapper. The handle rod is anchored in the valve seat. A chain finds itself away from the water to flush down. The toilet bowl falls back the seat valve allowing water to refill the tank.     

The Integrated flush valve extends up into the tank with a liaison with the flush valve. The overflow tube is connected to a small stream of water that prevents overflow. So, repair the flush valve or replace them. 

Fixing a Corroded Ballcock

Ballcock valves are much more pragmatic as modern float-cup style fill valves cannot provide the support it needs. Refill valves of modern design are adorned with hollow floating balls. The plunger-type and the diaphragm-type float balls are the most common ones at present. The plunger-type and diaphragm-type ballcocks have a mechanism that is not that much in terms of adjustments. The water level needs to be rechecked in such a manner. 

Bending the float arm in an upward direction is so decisive. The point needs to be noted that the float ball shuts off immediately at any cost. The water supply line must be in a constant flush cycle. If the water level is too raisy, then bend the float arm. The downward instance makes everything below the water level. The float ball shuts off if it is not rechecked. So replace the Ballcock valves for better results. 

Fixing severe clogs 

Severe clogs are one of the most intense toilet problems. This issue can be addressed at home by DIY. There is nothing to call a plumber. A specialized toilet plunger can work in a better instance. The internal cup flange can handle these adamant clogs. The drain snake tool is so effective in maintaining all the clogs.


One-piece Toilets are an integral part of any bathroom. If you are having a remodel or a reshuffling, then you must address all the issues. The old toilet is leaking, and the bathroom fixture may be worn out. One-piece Toilets may be of so many styles, shapes, and sizes.

One-piece and two-piece toilets have a close relationship with the problems that they face. But the methods of solving them may vary in your case of their build-ups and the dimensions. If you follow the toilet repairs, then it will be nothing but a piece of cake for you. Thus you can fix all the issues in under a minute with a One-piece Toilet. 

We are really lucky to have a hard-working, multi-skilled plumber on our team. Collin D. Gallegos, a professional plumber who has worked with us since 2012, is an expert in vent, septic, and drainage systems. He is a Certified Master Plumber and has worked on various commercial plumbing projects. He usually helps our readers resolve plumbing and pipe-related issues with a proper DIY troubleshooting and repair guide.

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