TWA-A Electric Zone Valve Actuator NC 24V
Features
The TWA (thermal wax actuator) is a 24 volt ac/ dc thermo-hydraulic actuator used with on/off controls to allow flow through the system. When the TWA is energized, an internal wax element gradually heats up opening or closing the valve. TWA can be wired with Danfoss RET-B, RET-24 or FH-WS low voltage thermostats.
- Hot water radiator / baseboard / fin tube heating systems
- Hydronic floor heating systems (zone controls)
- Hot or chilled water applications
- Slow acting wax element eliminates water hammer associated with motorized valves.
- Silent operation
- Visual position indicator to show the open or closed position of the valve
- Low power consumption
- Compact size