Why Is My Toilet Slow to Fill?
You flushed and now you have to wait; sound familiar? This is a known toilet problem with numerous possible reasons. Fortunately, none of them are major concerns or expensive to address. Follow this guide to get your slow toilet flowing properly again.
How to Fix a Slow-Filling Toilet
Learning why your toilet is slow to refill is your first step toward fixing it. Think about these potential reasons and how to handle each one.
Partially Closed Water Supply Valve
Check behind the toilet for the water supply line attached to the wall. You’ll find a valve connecting to it, which enables you to turn off the water when repairs or full replacement of the tank is needed. Check this valve to make sure it’s completely open.
Problems with the Fill Valve or Tube
The fill valve, which is connected to the top of a vertical tube-shaped part in the toilet tank, controls the flow of water into the tank. A toilet fill valve could wear out, clog or reposition out of alignment after years of use, preventing the tank from filling properly. Follow these instructions to adjust, clean or fix the fill valve:
- Find the fill valve: Open the toilet tank lid and find the fill valve inside. It’s normally installed on the left side with a tailpiece extending through the bottom of the tank and attaching to the supply tube and shut-off valve.
- Adjust the fill valve: Check that the fill valve is secure and evenly connected to the tube. Change the fill valve height if needed by turning the adjustment knob (found in newer toilets) or use a flathead screwdriver to loosen and adjust (required for older toilets). Then, check that the water level is approximately one inch below the top of the overflow tube.
- Clear debris from the fill valve: To remove mineral accumulation and other debris from the valve, first shut off the water in the rear of the toilet and take off the fill cap. Then, slowly turn the water back on, cupping your hand over the valve to prevent from being sprayed by the water. Let some water flow for 15-20 seconds to flush out dirt. Next, scrub away mineral buildup from the fill cap. If you observe cracks or significant wear and tear, replace the valve.
- Clean the valve tube: Debris trapped in the valve tube could also be to blame. Turn off the water supply and remove the valve hardware. Afterward, run a thin wire or bottle brush into the tube. Open the water supply slightly to clean away the leftover residue. Re-install the valve hardware and see if the toilet fills quicker.
Waterlogged Float Ball
The float ball in older toilet models rises with the water level, closing the fill valve whenever the tank has filled. If the float ball is filled with water, it keeps the tank from filling efficiently.
Take off the tank lid and look inside. A partially sunken float ball may be waterlogged. Prior to replacing the ball, examine the float arm it’s attached to. If the arm is pointed too low in the tank, bend it up a little bit to raise the ball’s height.
If that does not do the trick, then it might be time to just replace the component entirely. Just be aware that this is an older toilet design, so it may be better to update the existing tank parts or switch out the toilet completely.
Plugged Plumbing Vent
Your home plumbing system features vents that permit air to enter the pipes. If they end up clogged, tension may build inside of the pipes, stopping the water from flowing. This can, in turn, make your toilet fill at a snail’s pace or even cause the bowl to overflow.
You should grab a ladder and climb up on the roof to search for clogged plumbing vents. Start looking for long, vertical PVC pipes poking up from the roof tiles. Get rid of any animal nests, deep snow or other obstructions you notice to help your plumbing work as intended.
Leaky or Blocked Pipe
If you can’t find anything wrong with the water supply valve, fill valve and tube, float ball or plumbing vents, the slow toilet dilemma could stem from your supply pipes. A problem with the water line itself could prevent your toilet tank from filling properly. It’s safest to hire a licensed plumber to handle these issues.
Schedule Toilet Repair with Service Experts Heating, Air Conditioning & Plumbing
When all else fails, turn to Service Experts Heating, Air Conditioning & Plumbing for dependable toilet repair in the U.S.. We can figure out the reason why this is happening and perform a budget-friendly repair. If the fixture has come to the end of its useful life span, our specialists can suggest high-efficiency toilet replacement in the U.S.. We’ll help you pick out the replacement model and install it on your behalf. Rest assured that every job we execute is protected by a 100% satisfaction guarantee! To schedule a visit from us, please connect with Service Experts Heating, Air Conditioning & Plumbing today.
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