Smith Cyclone series units where maintaining specific manifold pressure and gas-to-air ratios is vital for operational safety

leak-proof pneumatic control circuit in demanding building automation environments

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

There is a manual override button located on the actuator housing

Resideo HR90 Controller 322055-301 Smith Cyclone series units whereThe 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