![Siemens 257-02066B Mixing Valve, 1/2 in. specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-25702066b-specs.png?v=1794070665&width=1445)
The Siemens 257-02066B is a 1/2 in. mixing valve with a 3-8 lb spring range and a flow coefficient (Cv) of 1.0, used to blend hot and cold water or proportion flow in HVAC hydronic systems. It is a genuine Siemens replacement part. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 257-02066B |
|---|---|
| Brand | Siemens |
| Type | Mixing Valve |
| Pipe Size | 1/2 in. |
| Spring Range | 3-8 lb |
| Flow Coefficient (Cv) | 1.0 |