Wilo Stratos-Pico-Z-25/1-4 Glandless Circulator Pump – 230v – Single Phase – 10 bar – Obsolete

The Wilo Stratos-Pico-Z-25/1-4 Glandless Circulator Pump – 230v – Single Phase – 10 bar – Obsolete was developed to provide efficient domestic hot water circulation for residential, commercial, and public buildings. Its electronically controlled ECM motor automatically adjusted pump performance to match changing water demand. As a result, the pump reduced energy consumption while maintaining consistent hot water circulation throughout the system.

Designed specifically for potable hot water applications, this circulator featured a corrosion-resistant stainless steel pump housing and maintenance-free glandless construction. Additionally, its compact design allowed quick installation in both new systems and replacement projects.

Although this model has now been discontinued, many units remain installed in existing hot water systems. Therefore, customers replacing this circulator should consider the latest Wilo domestic hot water pumps, which offer improved efficiency, enhanced electronic controls, and simplified commissioning.

Wilo Stratos-Pico-Z-25/1-4 High-Efficiency ECM Technology

The advanced ECM motor continuously monitored operating conditions and automatically adjusted pump speed to match system demand. Furthermore, intelligent electronic control helped maintain stable circulation while reducing unnecessary electricity consumption.

The pump also incorporated automatic deblocking, integrated motor protection, and thermal disinfection detection. Moreover, these features improved reliability and supported hygienic operation within potable hot water systems. Consequently, building owners benefited from lower running costs and dependable long-term performance.

Wilo Stratos-Pico-Z-25/1-4 Domestic Hot Water Performance

This circulator was designed exclusively for domestic hot water circulation where reliability and hygiene were essential. In addition, the stainless steel hydraulic components provided excellent corrosion resistance and long service life.

The maintenance-free glandless design eliminated mechanical shaft seals, helping reduce servicing requirements. Likewise, the electronically controlled motor delivered quiet operation while maintaining efficient water circulation throughout the installation.

Wilo Stratos-Pico-Z-25/1-4 Replacement Information

Although the Wilo Stratos-Pico-Z-25/1-4 Glandless Circulator Pump is now obsolete, it continues to operate in many existing domestic hot water systems. Therefore, replacing this model with a current Wilo high-efficiency circulator can improve energy efficiency, simplify installation, and reduce operating costs.

Modern Wilo replacement pumps also provide improved digital displays, enhanced diagnostics, and compliance with current energy efficiency regulations. Furthermore, they help maintain dependable domestic hot water circulation while reducing electricity usage.

Typical Applications

This circulator pump was suitable for:

• Domestic hot water circulation systems
• Potable water installations
• Residential homes
• Apartment buildings
• Hotels
• Hospitals
• Care homes
• Schools
• Commercial buildings

Finally, upgrading to a modern Wilo domestic hot water circulator improves system efficiency, reduces running costs, and delivers reliable hot water circulation for years to come.

Browse our Wilo Circulator Pumps collection to explore suitable replacement models.

For installation guides, technical documentation, and replacement information, visit the Official Wilo Website.

Key Features

• High-efficiency ECM motor
• 230v single-phase power supply
• Maximum operating pressure 10 Bar
• Stainless steel pump housing
• Electronically controlled operation
• Automatic deblocking function
• Thermal disinfection detection
• Integrated motor protection
• Maintenance-free glandless construction
• Quiet operation
• Suitable for potable hot water systems
• Obsolete model

Benefits

• Reduces electricity consumption
• Maintains reliable hot water circulation
• Automatically adjusts to changing demand
• Supports hygienic potable water systems
• Reduces maintenance requirements
• Improves overall system efficiency
• Suitable replacement models available
• Ideal for residential and commercial hot water applications