Description
The Caleffi Z121000 is a 24 V normally closed zone valve actuator engineered to automate Caleffi Z-series motorized valves without an auxiliary microswitch, providing reliable on/off control for hydronic heating and cooling systems. Designed to fit Z2 and Z3 series valve bodies with an easy push-button mount and 18″ pre-wired leads, this actuator enhances system performance by ensuring valves close automatically when power is removed, making it ideal for residential and commercial HVAC applications.
Features:
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Model: Caleffi Z121000 24 V Normally Closed Actuator
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Power Supply: 24 VAC for standard low-voltage control systems
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Operation: Normally closed spring-return action automatically shuts the valve when de-energized
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Compatibility: Works with Caleffi Z-series (Z2 & Z3) zone valve bodies
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Pre-wired Leads: 18″ wire leads for quick installation
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Push-button mounting and 7/8″ knockout for 1/2″ conduit connection
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Spring-return fail-safe design enhances system reliability
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Compact, durable construction for commercial and residential hydronic systems
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