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Durable Construction: Heavy-duty silver contacts ensure electrical integrity over thousands of cycles
effectively resolving common issues like reduced discharge pressure or excessive vibration caused by worn components
it ensures precise placement relative to the gas flow for immediate ignition
Manual Override Capability: Allows for direct manual control and system testing without requiring a signal from the front-end
Comprehensive Components: Includes all essential wear items
Siemens Building Technology SFA11U Actuator 318820-201 Durable Construction: Heavy-duty silver contactsThe Siemens SFA11U Actuator is a line voltage, 120V normally closed zone valve actuator designed for high precision control in hydronic heating and cooling systems. Engineered for seamless integration with the Siemens 599 Series zone valves, this 2 position spring return actuator features a 1 10 inch (2. 5 mm) stroke and provides 24 lb (105 N) of nominal force to ensure positive valve closure. The SFA11U is UL listed for plenum installations, making
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