Auto-Fill, field installed, requires manifold drain, works with both hot well drop-ins & soup drop-ins, (1) Auto-Fill will supply water to up to (14) wells in multiple drop-in set-ups, 120v/60/1-ph, 16 watt, NEMA 5-15P, UL, Made in USA (Refer to vollrathfoodservice.com for full warranty policy)