s slim profile and integrated pocket clip allow for rapid field adjustments of branch pressure and sensitivity without damaging the delicate internal bimetal elements or plastic housings of the room thermostat module

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

There is a manual override button located on the actuator housing

Always verify the cut-in and cut-out differentials against the specific unit service manual to prevent short cycling

unlike the 150S series which requires a separate column or external mounting

Resideo HR90 Controller 322055-301 s slim profile and integratedThe 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