![Siemens 257-02069B Mixing Valve, 1/2 in. 3-Way specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-25702069b-specs.png?v=1794067981&width=1445)
The Siemens 257-02069B is a 1/2 in. FxF 3-way mixing valve with a 4.0 Cv flow coefficient, designed to pair with a pneumatic actuator operating over a 3-8 psi spring range to proportion flow in a hydronic system. It is a genuine Siemens replacement part.
Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 257-02069B |
|---|---|
| Brand | Siemens |
| Type | Mixing Valve |
| Size | 1/2 in. |
| Connection | FxF |
| Configuration | 3-Way |
| Flow Coefficient (Cv) | 4.0 |
| Spring Range | 3-8 psi |