Siemens Building Technology 188-0030 Thermostat 321894-706 Key Benefits Precise Signal Transfer:

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

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

Worn sheaves can cause premature belt failure

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

using the genuine 1177658 OEM part is required to ensure the precise temperature ratings and mounting configuration match the original manufacturer’s internal safety testing

Siemens Building Technology 188-0030 Thermostat 321894-706 Key Benefits Precise Signal Transfer:The 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