Siemens Building Technology ZM121/A Control L99H008 ensuring the air distribution system

ensuring the air distribution system meets specific zone requirements without the complexity of modern DDC programming

With a height of 3

Technicians should refer to the original relay's specifications

Precise Thermal Sensing: Built-in thermistor provides rapid response to temperature fluctuations

This 1-1/2" kit provides the necessary pilot tubing connections and hardware required to integrate a pressure or temperature pilot to the main valve body

Siemens Building Technology ZM121/A Control L99H008 ensuring the air distribution systemThe Siemens Building Technology ZM121 A Control is a ruggedized terminal housing signal transducer designed for the precise regulation of magnetic valves in high performance HVACR and industrial processes. This Phase Cut Interface acts as a dedicated power amplifier, converting either a 4 20mA current signal or a 0 20V phase cut control signal into a reliable 0 20V DC phase cut output. Engineering for field durability, the ZM121 A Siemens module