Siemens DDC 540-378 AutoZero Module 321894-708 The R42360 is specifically configured

The R42360 is specifically configured as a natural gas valve

including but not limited to QTREN110 series

making it a versatile HVAC replacement part for contractors needing to restore system equilibrium without replacing the entire valve assembly

leak-free seat for sensing hoses

Siemens DDC 540-378 AutoZero Module 321894-708 The R42360 is specifically configuredThe Siemens DDC 540 378 AutoZero Module is a high precision calibration component engineered for Siemens building automation systems. This module serves as the primary solution for mitigating sensor signal drift within analog input loops, ensuring that pressure and airflow transducers maintain a stable baseline. By automating the zero point adjustment, the 540 378 eliminates the need for frequent manual recalibration in VAV systems and air handling