Siemens Building Technology 141-0574 Switch R-407A The AWSTCWS01 hosts its own

The AWSTCWS01 hosts its own web application

This OEM blower motor serves as a direct cross-reference for multiple legacy models

With two auxiliary sensor inputs

ensuring drop-in fitment without the need for mounting modifications or bracket adjustments

Common Questions What causes a 660 PSI high-pressure trip

Siemens Building Technology 141-0574 Switch R-407A The AWSTCWS01 hosts its ownThe Siemens 141 0574 differential pressure switch is a precision engineered airflow switch designed for air proving and filter monitoring in commercial HVAC systems. This duct pressure sensor operates within a field adjustable range of 0. 05 to 1. 0" W. C., making it an essential component for verifying blower operation and ensuring proper ventilation across various air handling units. The unit features a SPDT (Single Pole Double Throw) switch