The Grundfos UPM3 AUTO Pump has been developed specifically to meet the demands of underfloor heating systems, combining cutting-edge technology with proven Grundfos reliability. This advanced circulator automatically adapts to the heating load, providing the exact flow required without manual intervention. The result is smoother system operation, better comfort, and reduced energy consumption.
Compact in size yet powerful in performance, the UPM3 AUTO is easy to install, with a plug-and-play design that simplifies connection to manifolds and controllers. Its whisper-quiet operation makes it ideal for use in residential environments where noise levels matter. Built-in frost protection and self-venting features further enhance system safety and long-term durability.
Engineered to the latest efficiency standards, this A-rated pump lowers electricity use and helps reduce running costs without compromising heat delivery. Whether you’re upgrading an older system or fitting a new installation, the UPM3 AUTO offers the reassurance of a trusted brand, robust engineering, and energy-saving performance designed to last.
Next Working Day Delivery
Applies to UK Mainland only. Order before 12:30pm Mon–Fri. Orders placed after 12:30pm Friday will arrive Tuesday. Saturday delivery is available at an extra cost.
Free delivery
UK Mainland orders over £250 (ex VAT). Larger or palletised orders outside UK Mainland may incur additional fees.
Additional Information
Deliveries are fulfilled by third-party couriers. Delivery times are estimates and we are not liable for delays. For detailed information about shipping, view our Shipping and Returns.