Description
The Caleffi Z55 2-Way Motorized Zone Valve is a high-performance component engineered for precise flow control in hydronic heating and cooling systems. Designed with durability and efficiency in mind, this 3/4″ sweat-connection valve delivers dependable operation in residential and light commercial applications where automated zone control is essential.
Key Features
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Efficient 2-Way Design: Allows controlled on/off flow for zoning and temperature management in hydronic loops.
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24 VAC Motorized Actuator: Normally closed, spring-return actuator responds quickly and reliably to control signals.
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High Flow Capacity: With a 7.5 Cv rating, the Z55 offers robust flow performance to support efficient system operation.
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Durable Construction: Forged brass body with EPDM seals and stainless steel stem ensures long-lasting service life and corrosion resistance.
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Wide Operating Range: Handles temperatures from 32–240 °F and pressures up to 300 psi for versatile hydronic use.
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Auxiliary Micro-Switch: Built-in end switch enables integration with panel controls and system logic.
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Certified Quality: UL873, cULus, and CE approvals give confidence in safety and performance.






