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Kerr Calisto Cast Iron Boiler
The Kerr Calisto cast-iron boiler comes with a standard electronic aquastat “Outdoor Temperature Reset” ready which is enabled when connected to the Outdoor Reset Kit.
Kerr’s tradition of offering low water content, high efficiency, cast iron boilers combining European styling with the latest in worldwide technological improvements, has been enhanced with the Calisto.The Calisto’s built-in diagnostics help ensure proper system operation and efficiency.