Siemens Building Technology 188-0030 Thermostat 321894-706 Counterclockwise Rotation: Matches original equipment

Counterclockwise Rotation: Matches original equipment specifications for proper fan operation

Key Benefits Precise Signal Transfer: Features five individually engineered wires for accurate data exchange between control boards and system sensors

This high-efficiency constant torque motor is pre-configured with correct airflow parameters and torque curves to maintain the static pressure requirements of the HVAC system

4 bar on the refrigerant side and 16 bar on the water side

preventing premature belt failure and reducing vibration within the cabinet

Siemens Building Technology 188-0030 Thermostat 321894-706 Counterclockwise Rotation: Matches original equipmentThe Siemens 188 0030 is a heavy duty unit mounted pneumatic thermostat designed specifically for high low temperature control in HVAC terminal units like fan coils and induction units. This TH 188 HC model features a direct acting (DA) heating and reverse acting (RA) cooling sequence, making it a critical component for two pipe changeover systems. Engineered with a bimaterial sensing element, it provides reliable proportional control and pneumatic