Resideo VU444A1155 Actuator 326010-701 Enhanced Flow Control: Features a

Enhanced Flow Control: Features a hex port design that provides stable modulation and consistent water makeup for residential and commercial steam boilers

Precise Set-Point Tolerance: Calibrated to exact factory specifications to ensure safe boiler firing and proper flue gas discharge

This is a mounting kit only

and FX4D fan coil platforms

it features a durable housing and a precision-balanced impeller wheel to minimize vibration and bearing wear

Resideo VU444A1155 Actuator 326010-701 Enhanced Flow Control: Features aThe Resideo VU444A1155 is a heavy duty 120V fan coil actuator designed for high cycle commercial HVAC applications. This two position SPST actuator features a robust spring return mechanism, ensuring positive shut off in the event of power loss. Engineering specifications include a 15 second opening time and a rapid 6 second spring return timing over a 45 degree stroke. Built for durability in demanding mechanical rooms, the unit utilizes a nickel