Caleffi Z121000 : Normally Closed Spring Return Valve Actuator, 24V AC, On/Off Control Signal, 18" Wires
The Caleffi Z121000 is a normally closed, spring-return actuator designed for use with motorized zone valves. It is UL873, cULus Listed, and CE certified, meeting UL 1995 section 18 requirements for air plenums and ducts. Built for reliable performance, this actuator automatically returns to the closed position when power is removed, ensuring dependable system operation.
The Z121000 actuator is compatible with Caleffi Z2 and Z3 valve bodies (normally closed configuration). It installs easily using a pushbutton connection and includes a 7/8” knockout for a 1/2” conduit connector.
Key Features
- Normally Closed spring-return actuator for zone valves
- On/Off control operation (24V AC)
- Quick pushbutton mounting system
- 7/8” knockout for 1/2” conduit connection
- Compatible with Caleffi Z2 and Z3 valve bodies
- UL, cULus, and CE certified for plenum-rated applications
Technical Specifications
- Voltage: 24V AC
- Power Consumption: 7 VA (at full capacity)
- Conduit Connector: 1/2”
- Leads: 18”
Datasheets
| Caleffi Z-one Motorized Zone Valve Installation and Commissioning Manual | |
- Actuator Type:
- Non Fail-Safe
- Voltage:
- 24VAC
- Control Signal:
- On/Off
- Auxillary Switch:
- None
- NEMA 4X Enclosure:
- No