Saniflo Blockage May 2026

If you own a basement bathroom, a loft conversion, or a sink in a garage, you might rely on a Saniflo (or macerator) pump. These clever devices have revolutionised home extensions by allowing us to install toilets where traditional “gravity” drainage isn’t possible.

However, when a hits, it hits hard. You press the button, you hear a strained humming noise… but nothing goes down. Worse, the red light comes on, or water starts seeping back up into your shower tray. saniflo blockage

But if you see the red light of doom and smell something foul, call a professional. Sometimes, replacing a $20 capacitor is better than a weekend spent elbow-deep in wastewater. If you own a basement bathroom, a loft

Have you dealt with a Saniflo emergency? Let us know your tips in the comments below. You press the button, you hear a strained