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

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

There is a manual override button located on the actuator housing

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

Direct Replacement: Designed as a drop-in Field Controls 46487301 match for the legacy Honeywell Q35RJ-1 model

Resideo HR90 Controller 322055-301 unlike the 150S series whichThe 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