High Pressure Rating: Rated for 600 psi body pressure and 200 psi close-off pressure

Versatile Mounting: Can be installed in any position (except upside down) to accommodate tight mechanical room footprints

Its maintenance-free design eliminates the need for periodic oiling

Always verify the specific terminal markings on the field unit against the provided wiring diagram

including exhaust

Siemens Building Technology 544-643A Tool 318973-401 High Pressure Rating: Rated forThe Siemens Building Technology 544 643A Pass Key is a vital TEC room unit configuration tool designed for senior technicians and HVAC contractors managing complex building automation systems. Built for field reliability, this room sensor configuration tool provides the hardware interface necessary to program, calibrate, and troubleshoot Siemens Series 2000, 2200, and 2300 room sensors. It streamlines the commissioning process by allowing direct