Danfoss 088H-3111 Electric Zone Actuator 24V Normally Open with Position Indicator

The Danfoss 088H-3111 is a 24-volt electric zone actuator designed for HVAC hydronic heating and cooling systems. This normally open (N/O) actuator provides reliable control of zone valves in residential and light commercial applications.

Key Features:

• 24V AC/DC operation for compatibility with standard HVAC control systems
• Normally open configuration—valve opens when power is removed
• Integrated position indicator for visual verification of valve status
• Compact design for easy installation in tight spaces
• Spring return mechanism ensures fail-safe operation
• Compatible with Danfoss TWA series thermostatic radiator valves
• Low power consumption for energy-efficient operation

This actuator is ideal for zoned heating systems, radiant floor heating, and hydronic baseboard applications where individual room temperature control is required. The position indicator allows installers and technicians to quickly verify proper operation without electrical testing equipment.