With a 680 PSI maximum working pressure and 20-micron filtration

If your application require multiple speed taps

they require manual calibration

the case can handle ambient temperatures up to 140°F

The motorized actuator required for operation must be purchased separately based on your specific voltage and control requirements

Schneider Electric (Barber Colman) AT-603 Subbase Els PW 17895 With a 680 PSI maximumThe Schneider Electric (Barber Colman) AT 603 Subbase is a precision engineered mounting platform designed for single thermostat selector switch applications. Built for professional HVAC technicians and contractors, this dual switch thermostat subbase provides the essential interface for complex environmental controls, specifically accommodating most single electric room thermostats. The unit features a robust architecture housing one DP4T switch and