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Explore the Siemens 257-02040, a 1/2 inch NPT angle valve featuring a 3-8 PSI actuator and a flow coefficient of 2.5. Designed for ease of use in plumbing, heating, and air conditioning systems.
Durable and reliable, the Siemens 257-02040 valve is ideal for controlling flow in critical building technology systems.
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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