the HU-225-3-MA utilizes a 4-20mA 2-wire output

Optimized Efficiency: Maintains factory-spec performance and sound levels by syncing with the unit’s control board logic

5" hub diameters

the 26-degree pitch and 19" diameter are specific to Trane/American Standard engineering specs

Common Questions What are the symptoms of a stuck Lennox 72L28 valve

Siemens Building Technology 195-0011 Controller R-22 the HU-225-3-MA utilizes a 4-20mAAs a core component for pneumatic infrastructure, the Siemens Building Technology 195 0011 Controller is an industry standard single input receiver controller engineered for precise proportional control in commercial HVAC systems. This pneumatic controller stands as a reliable solution for technicians managing environmental variables by receiving a 3 to 15 psi signal from a remote transmitter and translating it into a robust output for actuators or