Automatic rainwater pump Wilo-Extract FIRST SE 303 EM/A. Hmax=37.1 m. Motor 0.75 kW. Outlet connection G 1 inch 6093857

Automatic rainwater pump – efficient resource utilization

The Wilo-Extract FIRST SE 303 EM/A is a reliable solution for collecting rainwater from cisterns or tanks, ideal for both domestic and garden applications. The pump combines functionality, ease of installation and high efficiency, making it an excellent choice for homeowners and professional installers. The side inlet design (SE) allows for drawing clean water from the surface of the tank, minimizing the risk of sucking in sediment and contaminants.

Design and application

The pump is designed for submersible installation at the bottom of the tank or for placement dry outside it. The integrated controller automatically turns the pump on and off depending on the water demand, ensuring ease of use and energy savings. Thanks to its compact size, the Wilo-Extract FIRST will work even in places with limited space. This is particularly important when installing in existing buildings or with limited access to the tank. Made of high-quality materials such as stainless steel and polypropylene, it guarantees long-lasting and trouble-free operation.

Advantages and benefits

• Automatic operation: The built-in controller with start-stop function eliminates the need to manually turn the pump on and off.
• Dry-running protection: Protection protects the pump from damage in the event of a lack of water in the tank.
• Motor thermal protection: Ensures safe pump operation by protecting the motor from overheating.
• Compact dimensions: Allow installation in hard-to-reach places.
• High efficiency: Maximum head of 37.12 m and flow rate of 6.6 m³/h provide adequate water flow for various applications.
• Durable construction: The use of stainless steel and polypropylene guarantees corrosion resistance and long life.
• Ready to connect: Equipped with a 10-meter cable with a mains plug – minimizes installation time.
• Periodic start-up: Automatic start-up every 24 hours prevents the impeller from blocking with sediment.
• Versatile mounting: The possibility of submersible or dry installation increases flexibility of use.

The Wilo-Extract FIRST SE 303 EM/A pump is an investment in an ecological and economical solution for using rainwater, which will be appreciated by both end users and professionals involved in the installation of water systems. Thanks to its solid construction and advanced safety features, it ensures reliable operation for many years.