Further to my run down of the problem. Watching the flush I can see that the water level rises nearly 4cm as it flushes as if there is a small blockage (which there isn't). Could it be that the u-bend in the pan is too narrow? Can anyone recommend a manuafacturer that would provide a suitable...
Hi. This is my first post so thank you in advance for any replies.
The plumber installing my bathroom has just fitted a Grohe EAU2 dual flush concealed cistern. There are 2 issues.
1) It takes up to 4 flushes to remove waste and this is with the level set to the max (9L). All the water is...
