Hatco Built-in Heated Wells provide flexibility and quality, with many options to choose from. These units hold steam table food hot and fresh with self-adjusting thermostats that read the actual temperatures and add heat only when needed. UL approved Built-in Heated Wells are available in rectangular full size and rectangular 4/3 size units. Choose from operating models in low, standard, or high watt, with or without drain. The standard compact controls, or optional recessed controls can be conveniently placed where needed.