Tempro immersion controllers are devices made to regulate & limit temperature of liquids inside water heaters, boilers, and other applications in which temperature control is required.

These controllers meet the requirements for NEMA 1X Ratings.

A broad temperature range between 65° and 240°F allows for a wide range of liquid temperature sensing applications. Variety of custom options available, such as, temperature ranges, sensing elements & private branding.

All immersion controllers include Fahrenheit and Celsius temperature scales.

We take pride in quality control & reliable operation of our components. Every switch is individually tested before it leaves the factory. Products are designed & shipped from our facilities in Eau Claire, WI to clients across the globe.