Siemens Building Technology 257-02055 Valve Assembly 326058-755 pneumatically-operated direct acting thermostat engineered

pneumatically-operated direct acting thermostat engineered for precise temperature control in demanding commercial HVAC environments

allowing for the switching of all three phases of a three-phase power supply or multiple circuits simultaneously

the Field Controls 46264901 provides forced-air induction

Designed as a direct-fit compressor overload protector

Siemens Building Technology 257-02055 Valve Assembly 326058-755 pneumatically-operated direct acting thermostat engineeredThe Siemens 257 02055 Valve Assembly is a high performance 2 way normally open valve designed for precision control of hot or chilled water and low pressure steam in terminal units. Built on the rugged Powermite 599 MT Series platform, this assembly features a 1 2 inch NPT connection and a 2. 5 Cv flow coefficient. The forged brass body is paired with stainless steel trim to ensure long term durability and resistance to scaling in demanding hydronic