Carrier HH18HA017 Limit Switch 323080-701 With an adjustable 3-8" WC

With an adjustable 3-8" WC outlet pressure range

maintaining integrity in harsh outdoor environments

Diagnostic Feedback: Integrated LED indicators allow for HVAC troubleshooting of calls and damper positions at a glance

it is rated for mildly corrosive atmospheres

Carrier HH18HA017 Limit Switch 323080-701 With an adjustable 3-8" WCThe Carrier HH18HA017 is a critical safety component designed for precise thermal management in high performance HVAC systems. This L170 40F limit switch functions as a primary high limit control, monitoring the heat exchanger or plenum temperatures to prevent equipment damage. When the internal temperature reaches the 170F threshold, the internal bimetal disc interrupts the electrical circuit to the burner or heating elements. As the system cools to