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Durable Construction: Built to withstand the acidic nature of furnace condensate
System Integrity: Using an authentic Raypak 007400F maintains the original performance profile of your heater
Exceeding this pressure may prevent the trap from opening against the system head
Key Benefits: Dual-Function Integration: Combines safety shut-off and constant pressure regulation to reduce gas train footprint and fitting count
Siemens Building Technology 257-02039 Valve Assembly 320788-702 Durable Construction: Built to withstandThe Siemens Building Technology 257 02039 is a professional grade 2 way normally open pneumatic valve assembly from the Powermite 599 Series, engineered specifically for the proportional control of hot or chilled water in terminal units like convectors and fan coils. This unit features a 1 2 inch forged brass body with a durable brass trim, utilizing an NPT x Union Male connection for simplified fieldwork and fitting. With a 2. 5 Cv flow coefficient