Watts TC-100-AN 04.06.111X Immersion Thermostat

The Watts TC-100-AN 04.06.111X Immersion Thermostat automatically regulates water temperature in hydronic heating and temperature control systems over a 0–90°C operating range. Its immersion design, featuring a probe/sleeve, is mounted directly in boilers, hot water tanks, heating equipment, and industrial process systems, while the AN version provides external adjustment for precise field settings. With a switching capacity of 16 A at 250 VAC and IP30 protection, it offers dependable temperature monitoring and automatic regulation for boiler and hot water temperature control, suitable for water and other compatible heating fluids. Common replacements include Watts TC100/IN, TC150/AN, and TC200/AN immersion thermostats, making it a familiar choice for retrofit projects, preventive maintenance, and temperature control upgrades.