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

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

leak-proof pneumatic control circuit in demanding building automation environments

LED Diagnostic Indicator: Transparent housing and internal LED allow for quick status checks without a multimeter

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