NFPA Scroll Compressors The triplex modular stacking configuration allows two compressors to be stacked on one side and one compressor situated on the other side of the receiver tank. This modular or field separable design allows for ease of shipment and handling on site. General Features A-Frame, stackable scroll compressor allows two pumps to run simultaneously with smaller footprint and compact design UL listed control panel in a NEMA 12 enclosure with a 5.7" Touch Screen Display Ethernet connectivity with embedded web-page for remote monitoring, password protected for remote adjustment of all operating parameters Inside of the receiver consists of a two-part epoxy coating providing rust protection equal or better than that achieved by galvanizing