A tap is usually difficult to turn because of a build-up of limescale or dirt inside it, worn internal parts such as a washer or cartridge, or a handle that has become damaged or misaligned. A stiff tap does not always need replacing, but forcing it can damage the parts inside.
Stiffness often builds up slowly, so it may get a little worse each week before it becomes a real problem. Dealing with it early can make a repair simpler.
Limescale and Build-Up
In areas with harder water, minerals can build up inside a tap over time. This can make the moving parts stick or feel gritty when you turn the handle. Taps that are not used often, such as in a spare bathroom or utility room, may stiffen more quickly.
Your water supplier can usually tell you how hard the water is where you live. Hard water does not mean every tap will become stiff, but it can be one factor.
Worn or Damaged Parts
Many traditional taps use a rubber washer that presses down to stop the water. As this wears, it can stick or need more force to close. Many modern taps use a ceramic cartridge instead, which turns a quarter or half turn. If a cartridge wears or becomes clogged, the handle may feel stiff, loose or jerky.
Lever and mixer taps have more moving parts, and any of these can wear. Mixer taps that control both hot and cold through one handle can also stiffen if the parts that blend the water become worn or clogged. Some taps are stiff in one direction only, which can be a clue to which part is affected.
Handles, Fixings and Over-Tightening
A handle that is loose on its spindle, cracked or worn inside may slip or bind as it turns. If a tap has been turned off very tightly for a long time, often to stop a drip, the parts inside may have been squeezed and damaged.
Avoid using tools or extra force to turn a stiff tap. This can snap a spindle or crack a cartridge, turning a simple repair into a bigger one. Spraying products into the tap is not recommended either.
Repair or Replacement
Whether a stiff tap can be repaired depends on the type of tap, its condition and whether suitable parts are available. In many cases a worn washer or cartridge can be replaced. If the tap body is damaged or parts cannot be sourced, replacing the tap may make more sense.
If you need to use the tap before it is repaired, turning it gently rather than forcing it can help prevent further damage. Our page on tap repair in Poole explains how stiff and faulty taps are assessed and repaired.
If a tap in your Poole home is getting harder to turn, a plumber can check the cause and explain whether a repair or replacement is more suitable.