Why Is Water Constantly Dripping Into My Toilet Pan

If you’ve noticed water constantly dripping into your toilet pan, you’re likely dealing with a common but annoying plumbing issue. While it may not seem urgent at first, a continuous drip can waste a significant amount of water over time and increase your utility bills. Understanding the possible causes and how to address them is essential for keeping your toilet in good working order.

Common Causes of Water Dripping into the Toilet Pan

1. Faulty syphon seal
2. The syphon seal is a rubber or plastic component that sits at the bottom of the toilet tank, controlling the release of water during a flush. Over time, the seal can become worn, warped, or covered with mineral buildup, leading to an improper seal. When the seal is compromised, water continuously leaks from the tank into the bowl.

   Solution:– Inspect the seal for any signs of wear or damaged
   – Clean or replace the flapper if necessary. Replacements are inexpensive however many syphon seals are very manufacturer specific and cannot always be found in your local plumbing store.

4. Malfunctioning Fill Valve
5. The fill valve is responsible for refilling the toilet tank after each flush. If the fill valve doesn’t shut off properly, water will continue to flow into the tank and overflow into the overflow tube, causing a constant drip.

   Solution:– Check the fill valve for any signs of damage or improper adjustment.
   – Adjust the float height to ensure the water level stays below the overflow tube.
   – If adjustment doesn’t work, replacing the fill valve is often the best option.

6. 
   Worn-Out Flush Valve Seat
   The flush valve seat is the surface where the rubber seal sits to made it water tight. Over time, mineral buildup, corrosion, or scratches on the valve seat can prevent a proper seal, allowing water to leak into the toilet pan.

   Solution:– Clean the flush valve seat to remove any debris or buildup.
   – If cleaning doesn’t resolve the issue, consider using a repair kit that includes a new flapper and flush valve seat.

   Issues with the Overflow Tube
   The overflow tube is designed to prevent the toilet tank from overflowing by directing excess water into the bowl. However, if the water level is set too high, water will constantly flow into the overflow tube and drip into the toilet pan.

   Solution:
   – Lower the water level in the tank by adjusting the float.
   – Ensure the float is functioning properly and not stuck in an elevated position.
   
   Cracks or Leaks in the Toilet Tank
   Although less common, cracks or leaks in the toilet tank can cause water to seep into the bowl. These cracks may be difficult to detect but can lead to constant water loss.

   Solution:
   – Carefully inspect the tank for any visible cracks or leaks.
   – If cracks are present, replacing the entire toilet tank may be necessary.

Why Addressing This Issue is Important

Ignoring a constantly dripping toilet can lead to:

• Increased Water Bills: Even a small, steady drip can waste hundreds of litres of water per month.
• Water Waste: Wasting water is not only costly but also environmentally unsustainable.
• Further Damage: Prolonged leakage can lead to wear on other toilet components and potential water damage in your bathroom.

When to Call a Professional

While many of the above issues can be resolved with basic tools and replacement parts, some situations may require professional help. If you’re unable to identify the source of the leak or the problem persists despite your efforts, it’s best to contact a your local Milton Keynes plumber for further diagnosis and repair.