The GSU-903-CT urn heater is made for applications requiring 240 volt power three phase and 9000 watts. In the urn heater diagram that is shown below, the "A" overall heater length dimension is 13.5 inches, the "B" inside tank height is 2.25 inch, and the "C" width dimension is 4 inches.

The TTUH-CO-30 is 208 volt 3000 watt immersion heater built for use in steam tables and food serving counters.

The TTUH-CO-30 is 240 volt 3000 watt immersion heater built for use in steam tables and food serving counters.

The TTUH-CO-40 (TTUHCO40) PCN 256129 urn heater is made for applications requiring 208 volt power single phase and 4000 watts. In the urn heater diagram that is shown below, the "A" overall heater length dimension is 9.5 inches, the "D" inside tank height is 2.125 inch, and the "C" width dimension is 3-1/16 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 octagon square box.