Multi Products 1161B Actuator 30067439-890 The 3-1/8" insert length is

The 3-1/8" insert length is specific to the depth of the plenum

The terminal interface is designed with a separate wall plate

This burner is primarily designed for the Lochinvar Copper-Fin II line

Versatile Installation: The spring-loaded mechanism allows for reliable operation in any orientation with upward flow

this Normally Closed (NC) motor-driven unit ensures reliable performance and high-torque close-off

Multi Products 1161B Actuator 30067439-890 The 3-1/8" insert length isThe Multi Products 1161B Actuator is a heavy duty, 120V AC damper actuator engineered for precise airflow control in commercial and industrial HVAC systems. Designed with a counterclockwise (CCW) rotation, this motor is a critical component for driving dampers and louvers, ensuring consistent torque delivery for reliable blade positioning. Housed in a durable handybox enclosure, the 1161B is built with a zinc die cast housing and a heavy duty metal