Reznor 100799 Limit Control check for continuity across the

check for continuity across the terminals while the switch is below 140°F

3mm) spade terminals for a secure fit in the electrical housing

which typically points to a restricted or fouled distributor orifice

Common Questions: What are the primary applications for the CS4AH02A24

meaning it opens at 170

Reznor 100799 Limit Control check for continuity across theThe Reznor 100799 Limit Control is a critical safety component designed for precise thermal regulation within Reznor unit heaters. This L150 25F high limit switch operates with a fixed temperature setpoint, featuring an open on rise configuration at 150F and a 25F differential for reset. Engineered for rapid response to heat exchanger over temperature conditions, this SPST limit switch ensures the burner circuit is interrupted if airflow is restricted