White-Rodgers 3L05-1 Limit Switch As a critical safety component

As a critical safety component

Technicians should check for soot buildup or cracked porcelain

High-Temperature Durability: Constructed to sustain the thermal stresses common in large-scale hydronic heating and cooling loops

Direct OEM Compatibility: Specifically engineered for Amana and Goodman PTAC systems

With its high-quality laminated core construction and Class II UL classification

White-Rodgers 3L05-1 Limit Switch As a critical safety componentThe White Rodgers 3L05 1 Limit Switch is a high performance adjustable snap disc limit control engineered for precision high limit protection in forced air heating systems. This SPST (Single Pole Single Throw) control operates on an open on rise logic, effectively breaking the circuit once the sensed temperature reaches the calibrated setpoint to prevent equipment overheating. Featuring an adjustable temperature range of 135 to 175 degrees F and a