The Grundfos UP series is a reliable line of domestic hot water circulation pumps designed for professional plumbing installations. These installation pumps keep water warm at every tap, reduce wait times, and prevent heat loss in recirculation loops. The range covers standard UP and advanced UPS models, available in sizes from DN20 to DN32. Whether you are fitting a small residential system or a larger commercial setup, this series delivers steady flow, easy integration, and long-term durability.

Simple and Fast Installation

Installers value the UP series for its compact design and straightforward setup. The pumps use standard flange connections that match common pipe sizes, making them quick to mount in tight spaces. Wiring is clear and straightforward, with terminals labeled for easy connection. The dry-rotor motor is sealed and maintenance-free, so you spend less time on service calls. Each unit is factory-tested to ensure leak-free performance and reliable operation from the start.

Reliable Hot Water Delivery

Consistent temperature at the faucet is essential for customer comfort and system hygiene. The UP series pumps maintain steady water movement through your hot water lines, reducing heat loss and preventing bacterial buildup. Models like the UP 20-15 N 9H and UPS 25-60 N 180 9H are engineered for specific head and flow needs, allowing you to match the exact requirements of your circuit. This precision protects your boiler or water heater from unnecessary strain while keeping water ready to use.

Quiet and Energy Efficient

Noise and power consumption directly impact project costs and client satisfaction. The UP series runs quietly thanks to its balanced impeller and vibration control. The efficient motors draw only the power needed for the job, helping you meet energy standards and lower electricity bills. The UPS variants offer adjustable speed settings, so you can fine-tune performance to actual building demand. This efficiency means lower operating costs and a quieter mechanical room.

Right Pump for Every Job

The UP series covers all common recirculation needs with a wide selection of models. From the UP 20-30 N 150 9H to the UPS 32-80 N 180 9H, you get the exact flow and pressure balance for your pipe diameter and loop length. Standardized dimensions and interchangeable parts simplify stock management and make replacements fast. Choose the Grundfos UP series when you need dependable hot water circulation that installers can trust and building owners will rely on.