Compared to other models, these Hatco units offer larger drains with flat drain screens, more consistent holding temperatures through superior element design, heavier stainless steel construction, easier-to-service design for quick-change of components, and a remote thermostat with separate power switch. Available in wet or dry operation. All supplied with a 3/4? NPT threaded drain hole. (Drain not supplied). All units are supplied with a control panel and connected with a 918mm flexible conduit for remote mounting.