Toilet flushing weak and no suction? Here’s a tip to help you avoid wasting money calling a plumber | August 15, 2025

Annonce:

Toilet flushing weak and no suction? Here’s a tip to help you avoid wasting money calling a plumber

1. Check the flush valve impulse first.

Locate the flush valve, which has one side completely and the other half flushed. To examine where the water level of the water tank decreases, immediately pierce one of them with your finger, then watch the toilet’s momentum.

Once the water tank is filled, immediately pierce another one with your finger, check the toilet’s flush level, and then determine if the tank’s water level is completely or partially flushed.

To find out if there is a noticeable difference between the impulse and hitting the toilet lid button, try a couple more times. You can close the toilet lid and check and compare again; if there is no difference, the impulse is not ideal, it is the problem of the flush valve, and it should be considered to replace it.

The two screw bars of the toilet lid button need to be adjusted if there is a difference, which indicates that there is a problem with the button. The adjustment procedure is as follows: