Grundfos UP20-15 N 150 Circulator Pump

The Grundfos UP 20-15 N 150 circulator pump is a compact and efficient solution, ideal for heating and hot water recirculation applications in commercial buildings. Designed with an encapsulated rotor, this pump is engineered to deliver reliable and long-lasting performance without the need for constant maintenance. Its robust stainless steel construction ensures corrosion resistance, making it particularly suitable for sanitary water systems.

Main features:

• Encapsulated rotor design: The Grundfos UP 20-15 N 150 features an advanced design that integrates the motor and pump into a single unit, with no mechanical seal and only two sealing rings. This ensures greater durability and minimal maintenance.
• Self-lubricating bearings: The ceramic radial bearings and carbon axial bearing are lubricated by the pumped liquid itself, eliminating the need for maintenance and extending the pump's lifespan.
• Durable construction: The pump body and impeller are made from corrosion-resistant materials, such as AISI 304 (EN 1.4301) stainless steel and reinforced composite, ensuring lasting performance in demanding environments.

Key technical data:

• Nominal flow rate: 1.13 m³/h, suitable for hot water recirculation systems in commercial and residential installations.
• Nominal head: 0.63 metres, providing sufficient pressure to ensure efficient water distribution in heating or hot water recirculation systems.
• Liquid temperature range: Capable of handling liquids with temperatures from 2 °C to 110 °C, making it versatile for various hot water applications.

High-quality materials:

The Grundfos UP 20-15 N 150 is manufactured with top-quality materials to ensure its durability and resistance in heating and sanitary water applications.

• Stainless steel pump body: Made from AISI 304, ensuring high corrosion resistance and prolonging the pump's lifespan in potable water systems.
• Durable composite impeller: Made from PES+30% GF, this material provides great durability and wear resistance.

Installation and compatibility:

The Grundfos UP 20-15 N 150 pump is designed to facilitate installation in heating or hot water recirculation systems. With a port-to-port length of 150 mm and standard 1 1/4-inch connections (type G), it is easy to integrate into a wide range of systems.

• Maximum working pressure: 10 bar, making it suitable for high-pressure applications in commercial buildings.
• Ambient temperatures: The pump can operate at temperatures up to 40 °C, making it suitable for controlled environments such as boiler rooms or central heating systems.

Energy efficiency:

• Efficient energy consumption: With a maximum input power of 65 W, the Grundfos UP 20-15 N 150 pump provides efficient performance, reducing operational costs.
• Voltage and frequency: Operates at 230 V and 50 Hz, making it compatible with most standard electrical systems.
• IP44 protection: Ensures the pump is protected against water splashes and dust, making it suitable for humid environments and heating or hot water systems.

Recommended applications:

The Grundfos UP 20-15 N 150 circulator pump is suitable for various commercial and residential applications, such as:

• Hot water recirculation: Ensures a constant supply of hot water at taps and showers, reducing water waste and improving comfort.
• Heating systems: Ideal for circulating hot water in radiator or underfloor heating systems in commercial buildings.
• Residential and commercial buildings: Its robust construction and low maintenance make it suitable for centralised heating systems or hot water recirculation in large installations.