Siemens Building Technology 257-02035 Valve Assembly 320788-702 Direct Fit Compatibility: Specifically designed

Direct Fit Compatibility: Specifically designed to replace OEM Rheem-Ruud controllers without the need for piping modifications

This technical kit is engineered specifically for reverse acting actuators and is used to replace the legacy Gradutrol relay with a modern positive positioner

Key Benefits: Dual-Speed Versatility: Supports two-speed operation for enhanced climate control and energy management

Common Questions What are the symptoms of a failing T111850040 valve

Siemens Building Technology 257-02035 Valve Assembly 320788-702 Direct Fit Compatibility: Specifically designedThe Siemens 257 02035 is a 2 way normally open pneumatic valve assembly designed for precise flow control in HVAC terminal unit applications. This 1 2 inch assembly features an NPT x Union Male connection and an equal percentage flow characteristic with a 1. 0 Cv rating, ensuring stable modulating control in water or steam systems. Constructed with a forged brass body and durable brass trim, the unit is engineered for long term reliability under