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The harness carries the electrical signal to the valve regardless of the fuel type being regulated
Exceeding this distance can cause phantom tripping due to line capacitance
this unit is a close on rise fan control
Compact Footprint: The standardized cubed design ensures direct fitment into existing relay sockets and control boxes without modifications
Siemens Building Technology SFA71U/25G Actuator R-410A The harness carries the electricalThe Siemens SFA71U 25G Actuator is a professional grade 2 position zone valve actuator designed for reliable control in hydronic systems. Engineered for seamless integration with the Siemens 599 Series zone valves, this 24V normally closed actuator provides a robust 105 N force to ensure tight shut off in high demand HVAC applications. This spring return valve actuator facilitates a mechanical fail safe in the event of power loss, making it a critical
