Toilet won't stop running: causes and fix in Sant Andreu de la Barca
Resumen rápido
If the cistern won't stop filling, it's almost always the flush valve or float. In Sant Andreu de la Barca limescale speeds up wear.
¿Qué está pasando?
When the cistern keeps running, water comes in faster than the float can shut off, or the flush seal lets water escape.
Causas más probables
Worn flush seal
altaThe rubber bell hardens and leaks.
Misaligned or broken float
mediaIt can stick or be punctured.
Limescale-clogged fill valve
mediaLimescale clogs the inlet filter.
Pasos de diagnóstico
- 1
Close the toilet stop valve
There is a small valve behind or under the toilet.
- 2
Lift the cistern lid and watch
If water rises and spills over the overflow it's the float.
- 3
Identify the model and buy the part
Take a photo of the mechanism.
Cuándo llamar a un profesional
Call a plumber if the cistern is wall-embedded or water leaks from under the toilet.
Coste orientativo en Sant Andreu de la Barca
45–110 €
Call-out, diagnosis and replacement part.
Contexto local · Sant Andreu de la Barca
In Sant Andreu de la Barca older buildings have exposed cisterns.
- Comarca: baix-llobregat
Preguntas frecuentes
How much water does it waste?
Between 100 and 400 litres a day.
Can I do it myself?
Yes for exposed cisterns.
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Diagnóstico y presupuesto en Sant Andreu de la Barca normalmente el mismo día.
Pedir presupuesto gratisProblemas relacionados en Sant Andreu de la Barca
Más sobre Plumbing: leaks, blockages and water
Sources and regulation
- CTE DB-HS 4 — Suministro de agua — Código Técnico de la Edificación