Desbloquea llave de corte (o de escuadra) bloqueada por la cal o sustituye por una nueva.

Unblock the water inlet shutoff valve for the cistern, washbasin, or sink blocked by limescale. Easily replace this valve, also called a square valve, with a new one. You can also watch other videos on repairing or replacing Roca flushing mechanisms. New!!!: How to install, if needed, the new Roca flushing mechanism. All this in my playlist: Roca Toilet Repairs,    • Reparaciones en inodoro Roca   If you need to fix water leaks in Roca cisterns with double flush levers or flush switches, or repair or replace flushers or water filling mechanisms, visit my channel. Greetings to all.