The Alpha E-Tec Plus NX 28 kW combi boiler delivers compact, efficient heating with a stainless steel heat exchanger moulded in thermoplastic for reduced weight and increased durability, a Grundfos hydroblock assembly with Delta T variable speed pump for improved circulation, adjustable heating flow temperature and selectable output to match system requirements, integrated condensate drain and combined expansion relief, weather compensation compatibility via external sensor, OpenTherm and Alpha BUS control compatibility, and removable push-fit flue connections for quick horizontal or vertical installation.
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