Compact sewage lifting station WILO DrainLift MINI3-XS/WC-EF for wastewater with fecal content

WILO DrainLift MINI3-XS/WC-EF is a compact sewage lifting station engineered to collect and pump wastewater with fecal content from sanitary appliances where gravity drainage is not possible. The unit is designed for discreet installation near fixtures such as toilets, sinks and showers and provides solids-handling discharge for domestic and light commercial applications. Its compact footprint and integrated pump make it suitable for retrofits and locations with limited space.

Advantages

The compact design of the WILO DrainLift MINI3-XS/WC-EF allows installation close to the drainage point, reducing pipe runs and simplifying connection to sanitary fixtures. It handles wastewater containing fecal solids and supports reliable automatic pumping, minimizing the need for gravity fall. The unit integrates mounting and connections to ensure straightforward installation and maintenance access, and its construction is intended for continuous intermittent operation typical of household use.

Suitable for

• Collection and discharge of toilet effluent in basements or below-drain installations
• Wastewater removal from sinks, showers and small sanitary groups
• Residential homes, apartments and light commercial spaces requiring a compact lifting station

When it may not be suitable

This lifting station is intended for domestic and light commercial loads and may not be suitable where very high peak flows, large solids beyond typical sanitary waste, or continuous industrial wastewater discharge are present. For applications requiring high-capacity pumping, specialized grinders, or handling of aggressive chemical effluents, a different commercial or industrial sewage system should be selected.

Key specifications

• Application: collection and discharge of wastewater with fecal content from sanitary fixtures
• Installation type: compact, close-coupled lifting station for locations without gravity drainage
• Suitable connections: toilets, washbasins, showers and other sanitary appliances
• Pumping mode: automatic solids-handling discharge designed for intermittent domestic use
• Space requirement: compact footprint for installation in confined spaces or retrofits

How to use

Install the WILO DrainLift MINI3-XS/WC-EF on a stable, level surface near the sanitary fixtures to be connected, following local plumbing codes and manufacturer installation instructions. Connect incoming waste outlets from toilets, sinks and showers to the unit’s inlet ports and attach the discharge piping to a suitable pressure sewer or soil stack above the invert level. Ensure electrical connection is made by a qualified electrician and that the unit is correctly grounded. After installation, verify automatic pump start/stop operation, check for leaks and confirm the discharge route and non-return valves function correctly.

What to consider before purchase

• Match the unit capacity and pumping performance to expected peak wastewater flows
• Confirm compatibility with the fixtures you plan to connect (toilet type and other appliances)
• Check available space for the unit and access for maintenance
• Ensure appropriate power supply and compliance with local electrical/plumbing regulations

Usage recommendations

For reliable operation, avoid discharging non-biodegradable solids, large textile items or excessive grease into the lifting station. Schedule periodic inspections and maintenance to clear deposits and verify pump function. If installation involves multiple fixtures with high simultaneous use, consult technical documentation or a WILO-certified installer to confirm correct sizing and configuration.