Caleffi Z151000 Motorized Zone Valve Actuator

The Caleffi Z151000 Motorized Zone Valve Actuator is a rugged, 2-position actuator designed for reliable open/close control in hydronic systems. It operates on 24 Volt AC with a spring-return mechanism, delivering swift, dependable valve positioning in open/closed configurations.

Durable build and smart electrical details make this actuator a practical choice. The body combines polycarbonate base/cover with an aluminum plate for strength and light weight, while approvals UL 873, CUL, and CE ensure compliance in many installations. It uses a 1/2" supply connection and screw-terminal wiring for straightforward setup, and includes an auxiliary microswitch along with a primary microswitch limit (NC) for precise feedback to your controller.

Key specs at a glance support easy integration into your hydronic system:

• Voltage: 24 VAC; Current: 0.4 A; Power: 5 W
• Frequency: 50/60 Hz; Temperature range: 32–104 °F
• Limit switches: Microswitch (NC); Auxiliary microswitch included
• Connection: 1/2" supply; Termination: Screw terminals
• Applications: Motorized zone valve, open/closed hydronic systems
• Approvals: UL 873, CUL, CE