Reznor 210763 High Limit 600 BTU/hr depending on manifold

600 BTU/hr depending on manifold pressure—it provides the exact fuel-to-air ratio required for safe atmospheric burner operation

ensuring proper mounting and calibrated trip points

or blocked return vents

this Single Pole Double Throw component facilitates reliable changeover logic

Combustion Safety: Provides a robust barrier against flue gas leakage

Reznor 210763 High Limit 600 BTU/hr depending on manifoldThe 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