Wilo-Sub TWI 5-903EM water pump 4104121

Submersible Water Pump – Reliable Source of Clean Water

The Wilo-Sub TWI 5-903EM is a robust and efficient pump designed for extracting water from deep wells, reservoirs, and other water sources. Its construction based on durable materials such as stainless steel ensures long service life and high resistance to corrosion. This pump is suitable for both residential installations and irrigation or water supply systems in agriculture.

Construction and Application

The Wilo-Sub TWI 5-903EM is a 5-inch submersible pump constructed from stainless steel. Its multi-stage design delivers high performance and efficient water lifting to significant heights. It is intended for pumping clean water free of mechanical impurities. Thanks to its compact dimensions and easy installation, it performs exceptionally well in hard-to-reach locations. Its use in single-family homes enables independent access to drinking water, while in agriculture, it ensures efficient crop irrigation. For installers, it means quick installation and guaranteed reliability.

Key Features and Benefits

• Performance: Maximum pump performance of 15.84 m³/h, enabling efficient water supply even for larger households or agricultural areas.
• Lift Height: Maximum water lift of 35.61 m, allowing water extraction from significant depths and delivery to elevated points of use.
• Durability: Constructed from high-quality stainless steel (housing and impeller), ensuring corrosion resistance and extended service life—especially critical in the aggressive environment of deep wells.
• Protection: IP68 protection rating guarantees full watertightness and allows submersion up to 17 meters, protecting the pump from damage caused by water and sand.
• Efficiency: Motor output power (P2) of 1.1 kW at a current draw of 7.2 A ensures an optimal balance between performance and electrical energy consumption.
• Safety: Insulation class F ensures safe operation even under demanding operating conditions.
• Resistance to Contaminants: Designed to operate in water containing up to 50 grams of sand per cubic meter, minimizing the risk of damage from mechanical impurities.
• Connection: Standard ISO 7-1 / EN 10226-1 outlet connection (1¼ inch) simplifies integration with existing hydraulic systems.

The Wilo-Sub TWI 5-903EM is an investment in a reliable water source that ensures long-term comfort for end users and provides installers with proven solutions for their clients.