Enhanced Safety: Normally open (N/O) contacts ensure circuits fail-safe in the open position

Code Compliance: Supports adherence to NFPA 90A requirements for smoke detection in large commercial HVAC systems

utilizing genuine Carrier parts ensures that the electrical specifications perfectly match the system's design requirements

As a veteran-grade HVAC variable frequency drive interface

Safety Integration: Functions as a high limit sensor to provide essential diagnostic feedback and prevent system overheating

Heil Quaker ICP 1185984 Limit Switch 319848-301 Enhanced Safety: Normally open (N/O)The Heil Quaker ICP 1185984 Limit Switch is a high precision thermal safety component essential for maintaining the operational integrity of residential and commercial HVAC units. Engineered by International Comfort Products (ICP), this L135 115 manual reset limit switch acts as a critical line of defense, monitoring the heat exchanger temperature and preventing safe thresholds from being exceeded. When airflow is restricted due to a clogged filter or