Saddle connection (Y-junction)
Branch fitting allowing a new pipe connection to an existing main drain run.
Branch fitting allowing a new pipe connection to an existing main drain run.
Single drain carrying both foul wastewater and surface water rainwater to one sewer.
Chamber with a sump that collects silt and debris from drainage flows before the main run.
Underground tank that partially treats sewage where no public sewer connection is available.
Sewer maintained by the water and sewerage company serving multiple properties.
Underground pit or crate system allowing surface water to soak slowly into the ground.
Sealed underground tank that stores sewage with no treatment until emptied by tanker.
Section of drain outside a property boundary serving a single building before the public sewer.
Curved pipe section holding water to block drain odours rising into the room.
Compact biological treatment unit producing higher quality effluent for off-mains properties.