Siemens Building Technology 192-224 Thermostat 321042-401 The 3/4" suction and 1/2"

The 3/4" suction and 1/2" discharge stub connections provide a standard fit for most 2

Factory-Calibrated Precision: Delivers exact set points for reliable safety circuit interruption and inducer verification

this relay is frequently utilized within Laars heating systems to interface low-voltage thermostats with line-voltage equipment

Voltage Specific: Optimized for 277V single-phase electrical systems common in commercial industrial HVAC infrastructures

Static Pressure Compensation: Automatically adjusts speed to maintain consistent CFM

Siemens Building Technology 192-224 Thermostat 321042-401 The 3/4" suction and 1/2"The Siemens 192 224 Powerstar room thermostat is a specialized pneumatic temperature control solution designed for large scale building automation and commercial HVAC energy management. This dual setpoint thermostat features two pipe, high capacity air logic to provide precise day night (D N) control, allowing for efficient temperature setback during unoccupied hours. Operating as a direct acting (DA DA) controller, it utilizes a sensitive bimetal