Reznor 210763 High Limit and HCA7 series

and HCA7 series

Does this switch require professional calibration

ensuring proper mounting and calibrated trip points

The KH12 is commonly paired with high-torque Belimo actuators

this Single Pole Double Throw component facilitates reliable changeover logic

Reznor 210763 High Limit and HCA7 seriesThe Reznor 210763 High Limit Switch serves as a critical safety component for commercial and industrial gas fired heating units. This manual reset limit control is calibrated to open the electrical circuit when internal plenum temperatures reach 225 degrees Fahrenheit, effectively preventing heat exchanger damage and ensuring system safety. Engineered specifically for Reznor unit heaters, this replacement limit switch prevents the burner from