Circulation pump WILO PICO 25/1-6-130 – single-head circulator, model 25/1-6-130

WILO PICO 25/1-6-130 is a single-head circulation pump designed for domestic heating and hot-water circulation systems. The compact inline body and straightforward hydraulic connections allow direct replacement of similar circulators in residential installations. The pump is intended for continuous operation to maintain stable flow and temperature control in heating circuits and domestic hot-water recirculation loops.

Advantages

The WILO PICO 25/1-6-130 delivers consistent hydraulic performance with low electrical consumption and a compact footprint that simplifies installation in tight spaces. Its single-head design reduces weight and required installation space, while the inline configuration enables direct integration into existing pipework. The pump's construction supports continuous operation and provides reliable circulation that helps maintain even temperatures and faster hot-water delivery at fixtures.

Suitable for

• Residential central heating circulation
• Domestic hot-water recirculation loops
• Replacement of like-for-like inline circulators
• Small apartment or single-family heating systems

Key specifications

• Design: single-head inline circulator
• Nominal diameter: suitable for standard residential piping (25 mm connection size)
• Maximum head: up to 6 meters (model class)
• Continuous duty rating for water-based heating systems
• Compact dimensions for space-saving installation
• Materials suitable for closed heating and hot-water circuits

How to use

Install the WILO PICO 25/1-6-130 in the return or feed line following the system designer's instructions and local plumbing regulations. Ensure correct alignment with flow direction markings, provide appropriate isolation valves for service, and purge the system of air after installation. Connect electrical supply in accordance with the pump's wiring diagram and applicable electrical codes. Verify seals and pipe joints for leaks, then start the circulator and check for correct flow, noise level, and temperature stability in the circuit.

Usage recommendations

For reliable operation, use the pump in closed water-based heating or hot-water recirculation systems with appropriate water quality and inhibitor treatment. Regularly inspect electrical connections, seals and system filtration; ensure the pump is accessible for maintenance and replacement when necessary.