and ensure reliable pilot-operated functionality

Optimized Performance: Maintains the exact Bard fan blade pitch required for consistent airflow and system cooling efficiency

fitting a wide array of residential and commercial compressor models

It provides the necessary downward force on the packing rings within the stuffing box to create a seal around the valve stem

Efficient Cooling: High-speed 1075 RPM capability maximizes heat exchange efficiency in the evaporator coil

Carrier HH18HA170 Limit Switch 318172-701 and ensure reliable pilot-operated functionalityThe Carrier HH18HA170 Limit Switch is a critical safety component designed for precise thermal monitoring in residential and commercial HVAC furnaces. This genuine OEM replacement part features an L170 40F specification, meaning it is calibrated to open the electrical circuit when the internal temperature reaches 170F and automatically reset once the temperature drops by 40F (resetting at 130F). Engineered for high limit protection, this switch