The kit features modular check valve cartridges constructed from durable glass-filled PPO

5 inches to match standard ductwork transitions

Can I clean the 98M8701 sensor instead of replacing it

the HT32TC743 represents a standard-issue solution for preventative maintenance and high-voltage system reliability

Siemens Building Technology 257-02035 Valve Assembly 323269-701 The kit features modular checkThe 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