The GSU-503-208-CT urn heater (Picture is for reference only.) has been obsoleted and is an immersion heater built with a lower watt density to provide a long heater life and dependable performance. Urn heaters can be designed for use in commercial coffee makers, percolators, restaurant buffet tables, sterilizers, autoclaves, steam tables, kettles, and humidifiers. These immersion heaters are ideal for other applications that require a low profile and short tubular element lengths.

The GSU-503-208-CT urn heater replacement option is made for applications requiring 208 volt power 3 phase and 5000 watts. In the urn heater diagram that is shown below, the A overall heater length dimension is 11 inches, the D inside tank height is 2.75 inch, and the C width dimension is 3.125 inches. This heater comes with two copper sheath tubular elements that are silver brazed into a brass header. This heater is also supplied with a standard 4 inch conduit box.

The Glenn Electric immersion heater part number is GSU-503-208-CO OR 10-8346-16.

An optional thermal cut-off is supplied with this immersion heater. This protective mechanism will shut the power off to the heater whenever a low liquid level is detected.