When a shower hose leaks, the cause is usually a worn seal or a crack in the hose connector. Both faults can be fixed in a few minutes without a plumber, often just by hand.
A leak is not just a cosmetic nuisance. It lowers the water pressure of the hand shower, wastes water, and if it continues for a long time, it can cause moisture damage. So, it's worth fixing the problem right away.
Identify the exact location of the leak
First, locate the leak. It's easy.
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Thoroughly dry the entire shower hose and connectors with a towel.
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Run water through the shower head.
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Watch carefully for where the first drop of water appears. A small drip may only become visible after a moment.
Most common leak points:
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Connection at the shower head: Water seeps between the nut and the hand shower. The cause is almost always a worn or flattened seal.
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Connection at the faucet/mixer: Water comes out of the connection between the hose and the faucet. Here too, the cause is usually the seal.
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Leak in the hose body: If water seeps between the metal or plastic casing of the hose, the rubber tube inside has cracked. This requires replacing the entire shower hose.
Repair 1: Replacing the seal (most common cause and easiest repair)
If the leak is in the connector, the problem is almost certainly solved by replacing the seal. Shower hose seals are rubber or silicone rings that cost only a few euros.
Supplies: New seal (usually 1/2 inch), pliers if needed.
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Turn off the faucet.
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Unscrew the connector. The connector usually opens by hand. If it's stuck, use pliers. Protect the connector with a cloth to prevent scratches.
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Remove the old seal. Dig out the old, often black and hardened sealing ring from inside the connector with a small screwdriver, for example.
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Install the new seal. Press the new seal to the bottom. Make sure it sits evenly.
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Screw the connector back on. Tighten firmly by hand. Do not overtighten, as it can break the seal or the threads.
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Test. Carefully turn on the water and check if the connection holds. If the leak continues, the tightening may be too loose or the seal is the wrong size or poorly seated.
Do the same for both the shower head and faucet connectors.
Repair 2: When should the entire shower hose be replaced?
If water is seeping from the middle of the hose, replacing the seal will not help. In that case, the inner tube is broken, and the only solution is to replace the entire hose.
Also replace the hose in these situations:
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The hose is badly kinked or twisted.
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The hose surface is broken and sharp edges can scratch.
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The hose is so calcified that water does not flow properly.
When choosing a new hose, pay attention to length (most common are 1.5–2.0 m) and material. A high-quality metal hose with anti-twist features will last for years. In Finland, shower hose and head threads are almost always standard G 1/2", so compatibility is rarely an issue.
A functional shower hose ensures good water pressure and allows the shower head to move freely. This is especially important when using water-saving or filtering special shower heads.
Frequently Asked Questions
Do I need to turn off the main water supply to replace the shower hose?
No, you don't. It's enough to turn off the water from the shower faucet. This relieves pressure from the hose before you open the connectors.
Why does a new shower hose leak at the connection?
The most common reason is a missing or incorrectly installed seal. Make sure the seal is evenly seated inside the connector. Also, do not overtighten the connector, as this can damage the seal or plastic threads. Hand-tightening is almost always sufficient.
Can a hole in a shower hose be patched?
Patching the hose body is not recommended. Taping and glues are only temporary emergency solutions that will quickly fail under water pressure and can cause greater water damage. If the hose body is broken, replace the entire hose with a new one.
How does limescale affect a shower hose?
Hard water and limescale can, over time, harden the seals in the connections and cause leaks. Limescale can also clog the hose and shower head, reducing water flow. Regular cleaning extends the life of shower fixtures.
