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The Siemens 257-02039 is a robust valve assembly designed for HVAC systems. It features a 2-way, normally open configuration with a 1/2-inch female by union male connection. This valve provides a flow capacity of 2.5 Cv and operates within a 3 to 8 psi spring range. It is equipped with a pneumatic actuator for effective control of hot or chilled water in convectors.
The Siemens 257-02039 Valve Assembly is designed for efficient and reliable operation, suitable for a broad range of industrial applications. Its durable bronze construction ensures long-term performance in demanding environments.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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