There is a manual override button located on the actuator housing

Voltage Versatility: Rated for 208-230V applications

Industrial Build: The 184T frame with cast iron end shields provides superior vibration dampening and alignment retention under high torque loads

leak-proof pneumatic control circuit in demanding building automation environments

Mixing OEM actuators with generic valve seats is not recommended as it can lead to premature motor burnout or leaks

Resideo HR90 Controller 322055-301 There is a manual overrideThe Resideo HR90 TheraPro is an advanced digital radiator controller designed for precise hydronic zone management in residential and light commercial applications. This electronic radiator valve actuator utilizes a clear, backlit adjustable display for seamless integration into any HVAC manifold system or standalone radiator setup. Featuring an M30 x 1. 5 connection, the HR90 is compatible with standard thermostatic radiator valves, providing