Siemens Building Technology 257-02045 Valve Assembly R-134A or loss of inverter output

or loss of inverter output

This unit features external pressure equalization with a 1/4 inch flare connection

Engineered for high-static pressure environments

System Safety: Provides a dedicated HVAC service disconnect to isolate electricity during vital equipment inspections

Durable Construction: High-temperature ceramic base prevents electrical leakage

Siemens Building Technology 257-02045 Valve Assembly R-134A or loss of inverter outputThe Siemens Building Technology 257 02045 is a professional grade 2 port pneumatic control valve assembly designed for high accuracy regulation of hot or chilled water in terminal units like convectors and fan coils. As part of the Powermite 599 MT Series, this 3 4" NPT x Union Male assembly features a normally open configuration and a forged brass body with durable brass trim. Engineered for a 6. 3 Cv flow capacity, it utilizes a modified equal