Siemens Building Technology 243-0018 Signal Selector An open limit switch typically

An open limit switch typically breaks the circuit to the gas valve

By utilizing this actuator stroke adjustment kit

it features a robust 440VAC rating

For contractors maintaining commercial HVAC systems

Simplified Installation: Features multi-hole mounting brackets and clear terminal labeling for fast field replacement

Siemens Building Technology 243-0018 Signal Selector An open limit switch typicallyThe Siemens Building Technology 243 0018 Signal Selector is a high performance, dual input pneumatic logic device designed to compare two proportional air signals and transmit the higher value to downstream controllers or final control elements. As the direct replacement for RCC 1108, this highest pressure signal selector is essential for optimizing pneumatic control systems that require precise demand based logic, such as multi zone cooling