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Power demanding heating systems with the Grundfos ALPHA1 25-80 130 – a high-head (8m) circulator pump featuring a compact 130mm flange distance and standard 25mm connections. Perfect for large homes, multi-story buildings, and high-resistance radiator systems where maximum pressure is required in a standard drop-in size.

Optimize large low-resistance heating systems with the Grundfos ALPHA1 32-40 180 – a low-head (4m) circulator pump featuring 32mm large ports, 180mm flange distance, and simple 3-speed manual control. Perfect for large underfloor heating systems, radiant slab applications, commercial low-resistance hydronic systems, and direct replacement of older UPS 32-40 pumps where high flow with low pressure is required.

Optimize large residential and light commercial heating systems with the Grundfos ALPHA1 32-60 180 – a medium-head (6m) circulator pump featuring 32mm large ports, 180mm flange distance, and simple 3-speed manual control. Perfect for large homes, multi-story buildings, townhouse complexes, and direct replacement of older UPS 32-60 pumps where reliable high flow and medium pressure are required.

Optimize small compact heating systems with the Grundfos ALPHA2 15-40 130 – a low-head (4m) circulator pump featuring 15mm (½”) connections, 130mm flange distance, and intelligent AUTOADAPT technology. Perfect for small combi boilers, individual fan coil units, single underfloor heating loops, and tight spaces where gentle, ultra-efficient circulation is required – all while cutting electricity costs by up to 85%.

Power demanding compact heating systems with the Grundfos ALPHA2 15-80 130 – a high-head (8m) circulator pump featuring 15mm (½”) connections, 130mm flange distance, and intelligent AUTOADAPT technology. Perfect for combi boilers, small-bore pipe systems (microbore), fan coil units, and tight spaces where maximum pressure is needed in a compact package – all while cutting electricity costs by up to 85%.

Optimize low-resistance heating systems with the Grundfos ALPHA2 25-40 130 – a low-head (4m) circulator pump featuring the industry-standard 130mm flange distance and intelligent AUTOADAPT technology. Perfect for underfloor heating, single-story homes, radiant systems, and domestic hot water recirculation, this pump delivers gentle, ultra-efficient circulation while cutting electricity costs by up to 85%.

Optimize larger residential heating systems with the Grundfos ALPHA2 25-60 180 – a medium-head (6m) circulator pump featuring a 180mm flange distance and intelligent AUTOADAPT technology. Perfect for large homes, duplexes, townhouses, and light commercial applications where the longer 180mm flange spacing is required, this pump delivers reliable circulation while cutting electricity costs by up to 85%.

Power demanding residential heating systems with the Grundfos ALPHA2 25-80 130 – a high-head (8m) circulator pump featuring the industry-standard 130mm flange distance and AUTOADAPT technology. Perfect for large homes, multi-story buildings, and high-resistance radiator systems, this pump delivers maximum pressure while cutting electricity costs by up to 85%.

Power demanding heating systems with the Grundfos ALPHA2 25-80 180 – a high-head (8m) circulator pump featuring a 180mm flange distance and standard 25mm connections. Perfect for large homes, multi-story buildings, high-resistance radiator systems, and light commercial hydronic applications where maximum pressure is required.

Power demanding heating systems with the Grundfos ALPHA2 32-80 180 – a high-head (8m) circulator pump featuring 32mm large ports and a 180mm flange distance. Featuring AUTOADAPT technology for automatic energy optimization, this pump delivers powerful circulation for large homes, multi-story buildings, and light commercial hydronic systems while cutting electricity costs by up to 85%.