A sub base added to your PTAC unit provides stability, prevents tipping and also hides all of your electrical requirements. It will provide support for walls less than six inches thick. Included with this sub base are leveling legs, side filler panels and mounting brackets for electrical accessories. It is an electrical sub base and will hide all electrical requirements such as the circuit breaker, power disconnect and conduit kit.
The PXSB23020 is for use with 208/230 volt PTAC units that use a 20 Amp Plug.