Wilo Stratos-Pico-Z-20/1-4 Glandless Circulator Pump – 230v – Single Phase – 10 bar – Obsolete

The Wilo Stratos-Pico-Z-20/1-4 Glandless Circulator Pump – 230v – Single Phase – 10 bar – Obsolete was engineered to provide efficient domestic hot water circulation in residential buildings, apartment complexes, hotels, hospitals, and other commercial properties. Its electronically controlled ECM motor automatically adjusted pump performance to match changing system demand. As a result, the pump reduced electricity consumption while maintaining reliable hot water circulation throughout the system.

Although this model has now been discontinued, many units remain installed in existing potable hot water systems. Additionally, current Wilo replacement pumps provide improved energy efficiency, enhanced electronic controls, and simplified installation for modern domestic hot water applications.

Wilo Stratos-Pico-Z-20/1-4 High-Efficiency ECM Technology

The advanced ECM synchronous motor continuously regulated pump speed according to operating conditions. Furthermore, the integrated electronic controller automatically adjusted performance using variable differential pressure control, helping optimise energy usage while maintaining consistent circulation.

Moreover, the pump featured a blocking-current proof motor, automatic deblocking function, and integrated motor protection. Consequently, it delivered dependable long-term operation while reducing maintenance requirements.

Wilo Stratos-Pico-Z-20/1-4 Domestic Hot Water Performance

Designed specifically for potable hot water systems, this glandless circulator featured a corrosion-resistant stainless steel pump housing that provided excellent hygiene and durability. In addition, it supported thermal disinfection detection, helping improve water hygiene in domestic hot water installations.

The maintenance-free glandless construction eliminated mechanical shaft seals, while the compact threaded connection simplified installation. Likewise, the intelligent electronic controls improved efficiency and reduced operating costs.

Wilo Stratos-Pico-Z-20/1-4 Replacement Information

Although the Wilo Stratos-Pico-Z-20/1-4 Glandless Circulator Pump is now obsolete, many systems continue to operate successfully. Therefore, customers replacing this model should consider the latest Wilo Stratos PICO-Z circulators, which offer improved efficiency, advanced digital controls, and enhanced operating performance.

Modern replacement pumps also simplify commissioning, improve monitoring, and comply with current energy efficiency regulations. Furthermore, they help reduce operating costs while maintaining reliable domestic hot water circulation.

Typical Applications

This circulator pump was suitable for:

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

Finally, replacing an ageing domestic hot water circulator with a modern Wilo model helps improve efficiency, reduce energy consumption, and maintain dependable hot water circulation throughout the building.

Browse our Wilo Domestic Hot Water Circulator Pumps collection to find 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 head 4 metres
• Maximum operating pressure 10 Bar
• Stainless steel pump housing
• Variable differential pressure control
• Automatic deblocking function
• Integrated motor protection
• Maintenance-free glandless construction
• Suitable for potable hot water
• Quiet operation
• Obsolete model

Benefits

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