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The Resideo VU843A1020 is a 24V, two-position spring-return actuator designed for normally closed VU53 valve bodies to control hot or chilled water flow in HVAC hydronic systems. It operates by electrically driving the valve open during a control call and automatically returning it to the closed position when power is removed, ensuring fail-safe operation. Commonly used in fan coil units, terminal reheat coils, convectors, and air handling equipment, it provides reliable zone control, improves temperature accuracy, enhances energy efficiency, supports consistent comfort, and offers durable construction with low maintenance requirements for commercial HVAC applications .

For an efficient and reliable HVAC system, the Resideo Actuator N/C Valve Bodies  is a great choice for optimal system performance.

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Visit The Website: https://www.partshnc.com/vu843a1020-resideo-24v-2w-sr-actuator 

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