Carrier HH18HA170 Limit Switch 323055-751 The unit features a dual-color

The unit features a dual-color status LED

This specific configuration is a fixed 0-30 PSID range

Optimized Heat Transfer: High-grade aluminum construction maximizes thermal conductivity and cooling capacity

This heavy-duty control is built to handle line voltage blower motors

all of which can lead to system lockouts

Carrier HH18HA170 Limit Switch 323055-751 The unit features a dual-colorThe 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