while the normally closed spring return design ensures fail-safe performance during power loss

ensure proper routing to manage the 25-inch lead length

making it suitable for draft proving on many high-efficiency furnaces and boilers

Built for durability in commercial and residential settings

This model is a 5/16-inch diameter rod

KMC Controls MCP-1130-5520 Actuator Refrigerant while the normally closed springThe KMC Controls MCP 1130 5520 Actuator is a heavy duty pneumatic damper actuator designed for the precise positioning of automatic air dampers in commercial and industrial HVAC control systems. This specific model features a 3 inch stroke and is engineered with a factory installed 8 to 13 psi internal spring range, providing robust pneumatic damper control for both gradual and two position applications. As a post mount actuator, it allows for