The Stuart ST 25/80 is a high-efficiency circulator pump designed for domestic heating systems, suitable for both new installations and replacement applications. Built with advanced ECM permanent magnet technology, it delivers reliable performance with an energy efficiency index (EEI) of just 0.18, ensuring low energy consumption. The pump features proportional pressure control alongside three constant speed settings, allowing flexible adjustment to suit system requirements. Its robust cast iron housing and ceramic bearings provide long-lasting durability, while the automatic venting cycle ensures efficient operation and reduced maintenance. Compliant with EuP/ErP regulations, the ST 25/80 offers a modern, energy-saving solution for heating circulation.

Key Features:

• High-efficiency ECM permanent magnet motor (EEI 0.18)

• Proportional pressure control

• Three constant speed settings

• Automatic venting cycle

• Durable cast iron construction

• Ceramic bearings for extended lifespan

• Suitable for new or replacement installations

• Continuously rated for reliable operation

• 180 mm installation length

• EuP/ErP compliant