Circulation Pump Wilo Atmos Pico 25/1-8 180 — compact hot water circulation pump 25 mm, 1-speed, 8 W, 180 mm

Wilo Atmos Pico 25/1-8 180 is a compact hot water circulation pump designed for domestic circulation systems. With a 25 mm connection diameter, single-speed operation and an installation length of 180 mm, the pump maintains continuous circulation of hot water to reduce waiting time at taps and ensure faster hot water delivery. Its low electrical consumption of 8 W and small footprint make it suitable for both retrofit and new residential installations where quiet, energy-efficient operation is required.

Advantages

The pump combines compact dimensions with low power consumption, offering a space-saving solution for domestic hot water circulation. Single-speed control simplifies operation and installation. A standardized 25 mm connection and a short installation length of 180 mm allow easy integration into existing piping without extensive modifications. The low noise level and minimal energy use contribute to economical and unobtrusive day-to-day operation.

Suitable for

• Domestic hot water circulation loops in single-family houses and apartments
• Retrofit projects where space is limited and existing piping must be preserved
• New installations in residential buildings requiring constant hot water availability
• Applications prioritizing low electrical consumption and quiet operation

Key specifications

• Connection diameter: 25 mm
• Operating mode: single-speed
• Electrical power consumption: 8 W
• Installation length: 180 mm
• Application: hot water circulation for domestic systems
• Design: compact inline circulation pump suitable for tight spaces

How to use

Install the pump in the hot water return line according to local plumbing codes and the manufacturer's mounting orientation. Ensure correct alignment with the 25 mm pipework and secure all joints to prevent leaks. Connect the electrical supply to the pump's single-speed terminal following applicable electrical standards and ensure appropriate protection and isolation. After installation, purge air from the circulation loop and check for stable flow and absence of vibration or unusual noise. Regular visual checks and periodic flushing of the system will help maintain performance.

Usage recommendations

Choose this pump where compact dimensions and low standby power are required. For optimal performance, match pipe diameters and maintain clean water quality to avoid premature wear. If uncertain about electrical connections or compatibility with control systems, consult a qualified installer or plumber.