Description
The Caleffi Z40 2-Way Zone Valve is a dependable motorized valve engineered for precise on/off control of water flow in residential and commercial hydronic heating and cooling systems. Designed around Caleffi’s rugged Z-ONE series, this valve delivers reliable performance, durable construction, and easy integration with standard low-voltage HVAC controls.
Key Features
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Reliable 2-Way Design: Controls water flow on demand with a normally closed actuator that remains shut until energized, helping maintain system efficiency.
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Inverted Flare Connection: Standard inverted flare fittings make installation simple and compatible with common hydronic piping layouts.
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Balanced Flow Performance: With a flow coefficient (Cv) of approximately 3.5, it provides effective flow capacity for zoning applications.
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Compatible with 24 V AC Controls: Designed for low-voltage HVAC control systems, making it easy to integrate with thermostats and zone controllers.
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Built for Durability: Forged brass body and quality internal components ensure long-lasting performance in hydronic loops operating up to 300 psi and temperatures from 32 °F to 240 °F.
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Auxiliary Switch Ready: Includes a built-in auxiliary microswitch for additional feedback or interlock integration.
