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The Johnson Controls VA7820-HGA-2 is a spring return, proportional electric valve actuator designed for precise control of HVAC water valves. Operating on 24V power with a 0–10 VDC control signal, it modulates valve position accurately to regulate flow in heating and cooling systems. The spring return “up” function ensures fail-safe operation during power loss. Commonly used with air handling units, fan coil units, VAV reheat systems, and hydronic heating or chilled water applications, it improves energy efficiency, system reliability, and overall temperature control performance.

For an efficient and reliable HVAC system, the Johnson Controls Electric Valve Actuator is a great choice for optimal system performance.

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