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Optimize small heating systems with the Grundfos ALPHA1 15-40 130 – a compact low-head (4m) circulator pump featuring 15mm (½”) connections and the industry-standard 130mm flange distance. Perfect for small combi boilers, individual fan coil units, underfloor heating loops, and tight spaces where gentle, efficient circulation is required.
Balance power and compact size with the Grundfos ALPHA1 15-60 130 – a medium-head (6m) circulator pump featuring 15mm (½”) connections and the industry-standard 130mm flange distance. Perfect for combi boilers, small-bore heating systems, fan coil units, and apartments where space is limited but reliable circulation is essential.
Power high-resistance systems in tight spaces with the Grundfos ALPHA1 15-80 130 – a compact high-head (8m) circulator pump featuring 15mm (½”) connections and the industry-standard 130mm flange distance. Perfect for small-bore pipe systems, combi boilers, and high-resistance applications where space is limited but pressure is critical.
Optimize compact heating systems with the Grundfos ALPHA1 25-40 130 – a low-head (4m) circulator pump featuring the industry-standard 130mm flange distance and simple 3-speed manual control. Perfect for underfloor heating, single-story homes, radiant systems, and domestic hot water recirculation where gentle, efficient flow is required.
Optimize low-resistance heating systems with the Grundfos ALPHA1 25-40 180 – a low-head (4m) circulator pump featuring a 180mm flange distance and simple 3-speed manual control. Perfect for underfloor heating, radiant slab systems, and domestic hot water recirculation where gentle, efficient flow is required.
Upgrade your heating system with the Grundfos ALPHA1 25-60 130 – a medium-head (6m) circulator pump featuring the industry-standard 130mm flange distance and simple 3-speed manual control. Perfect for most single-family homes, townhouses, and small apartment buildings requiring reliable, efficient performance in a compact drop-in size.
Balance power and efficiency with the Grundfos ALPHA1 25-60 180 – a medium-head (6m) circulator pump featuring a 180mm flange distance and simple 3-speed manual control. Perfect for medium-to-large homes, duplexes, and light commercial systems requiring reliable performance in a larger flange size.
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.
Power demanding large heating systems with the Grundfos ALPHA1 32-80 180 – a high-head (8m) circulator pump featuring 32mm large ports, 180mm flange distance, and simple 3-speed manual control. Perfect for large residential properties, multi-story buildings, light commercial hydronic systems, and direct replacement of older UPS 32-80 pumps where maximum pressure and high flow are required.
Upgrade your heating system with the Grundfos ALPHA1 GO 15-40 130 – a compact, energy-saving circulator pump designed for residential heating applications. Featuring automatic speed adaptation and whisper-quiet operation, this pump delivers reliable performance while cutting electricity costs by up to 80% compared to standard UNO pumps.
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