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The Caleffi Z40 is a 24-volt normally closed, two-way zone valve with an inverted flare connection, designed for regulating water flow in hydronic heating and cooling systems. This robust valve features a flow coefficient (Cv) of 3.5, ensuring efficient flow control in various applications.
Optimized for hydronic systems, the Caleffi Z40 valve controls heating or cooling water with precision. Its normally closed design means the valve remains shut unless activated, providing energy-efficient operation.
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