NFPA Contact-less Claw The quadruplex modular stacking configuration consists of two vacuum pumps mounted on top of one another on both sides of the receiver tank. This modular or field separable design allows for ease of shipment and handling on site. Vacuum System Pumping chamber operates oil-free and vacuum pump is completely air cooled with no water requirements 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 System is modular or field separable, allowing for ease of shipment and handling on-site