The GSU-703-208-CT has been obsoleted, but we have a drop-in replacement urn heater for the GSU-703-208-CT 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.

This GSU-703-208-CT similar urn heater is made for applications requiring 208 volt 3 phase power and 7000 watts. The overall heater element length is 11-1/16 inches, the inside water tank height is 3 inches, and the overall heater element width is 4-1/16 inches. The overall height from element top to conduit box bottom is 5-3/4 inches. A 3 inch MINIMUM liquid depth is required to run this urn heater. 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 square conduit box plus a gasket.
The Glenn Electric/Marathon immersion heater similar part numbers are GSU-703-208-CO OR 10-8346-27.

An optional thermal cut-off with a manual reset button is supplied with this immersion heater. This protective mechanism will shut the power off to the heater whenever a low liquid level is detected. All models above 25 amps or 240 Volt single-phase and all three-phase models require a suitable contactor relay to interrupt the heater load with the cutout connected for pilot duty use.