Wellman 6A426G3 Immersion Heater Thermostat

The Wellman 6A426G3 Immersion Heater Thermostat is a mechanical, heater-mounted temperature control device designed to regulate liquid temperatures in immersion heating and process-tank systems. Operating with a 30°F to 110°F temperature range and a 480 VAC supply, this temperature control thermostat provides dependable switching for industrial liquid heating equipment and helps maintain stable process temperatures in demanding environments. This thermostat is commonly installed in chemical processing systems, water heating tanks, industrial wash lines, plating equipment, and other manufacturing process heaters where precise thermal control supports safe operation and consistent product quality. It is intended for use in industrial process heating applications and is suitable for replacement, retrofit, repair, or restoration of immersion heater assemblies within industrial liquid heating systems. For retrofit projects, common replacements include Chromalox Immersion Heater Thermostat, Watlow Heater Thermostat, and Tempco Temperature Controller, reflecting its role in maintaining compatible temperature control across brand families.