Siemens Building Technology 188-0030 Thermostat Refrigerant with a maximum combined amperage

with a maximum combined amperage of 10A across all zones

the D25403 is the designated K-2110 pilot valve kit for all standard GP-2000 pressure reducing valves

meeting strict industry safety standards

Durability: Constructed from bronze with an EPDM seat

As the direct replacement for 311788

Siemens Building Technology 188-0030 Thermostat Refrigerant with a maximum combined amperageThe 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