The compact and maintenance-free wet-running circulation pump Atmos PICO 25/1-4 from Wilo is ideal for use in heating and air conditioning systems. It is equipped with a blockage-resistant synchronous motor that uses ECM technology and integrated electronic power control. This pump ensures smooth pressure differential regulation, contributing to efficient and economical operation.

The pump is designed for easy installation thanks to standard connection dimensions and offers high starting torque, minimal energy consumption, and an automatic deblocking function that enhances its reliability.

Technical Data:

• Maximum operating pressure: 10 bar
• Delivery head: 4.1 m
• Pumping capacity: 3.0 m³/h
• Medium temperature: -10 °C to +95 °C
• Energy Efficiency Index (EEI): ≤0.20

Motor Parameters:

• Power supply: 1~230 V, 50/60 Hz
• Rated power: 15 W
• Minimum consumption: 4 W
• Protection class: IPX2D
• Insulation class: F

Construction:

• Pump housing: grey cast iron
• Impeller: PP-GF40
• Shaft: stainless steel
• Bearings: carbon, metal impregnated

Additional Features:

• Automatic deblocking function
• Integrated motor protection
• LED operation status indication
• Optional control modes with constant speed or variable Δp-v

The Atmos PICO 25/1-4 pump is highly reliable and easily integrable into various systems, making it a suitable solution for a wide range of applications.