Description
The Caleffi Z-One™ Z111900 Normally Closed Zone Valve Actuator is a robust and reliable accessory designed to automate the operation of Caleffi Z-series motorized zone valves in hydronic heating and cooling systems. Engineered for 24 VAC service with a high-current auxiliary microswitch, this actuator ensures dependable open/close control while providing enhanced system feedback for HVAC controls and building automation. Its spring-return design automatically closes the valve when power is removed, helping maintain zone integrity and system balance in residential and commercial applications.
Features & Benefits:
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Model: Caleffi Z-One™ Z111900 Normally Closed Zone Valve Actuator
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Designed for use with Z-series (Z2 & Z3) motorized zone valve bodies
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24 VAC operation with high-current auxiliary microswitch for reliable feedback
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Spring-return normally closed action automatically shuts the valve when power is lost
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18″ wire leads for easy electrical hookup
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High-current micro-switch suitable for larger HVAC control loads
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Push-button mounting and 7/8″ knockout for a 1/2″ conduit connector simplify installation
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UL873, cULus & CE listed for quality and safety
