Best non-spring return actuator for commercial HVAC

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KMC Controls CSC-3016-10 Control Refrigerant Best non-spring return actuator forThe KMC Controls CSC 3016 10 is a high performance pneumatic VAV reset volume controller designed for precise pressure independent control of terminal units. As a sub master air velocity controller, it utilizes a 0 to 2" WC differential pressure range to maintain consistent airflow regardless of duct static pressure fluctuations. This unit features a factory calibrated 8 PSI reset start point and an adjustable reset span, allowing a master