Carrier HH18HA296 Limit Switch 318973-401 How do I verify if

How do I verify if the 100171898 is the right valve for my unit

This multi-tap transformer features a tri-voltage primary (120/208/240V AC)

facilitating long-term boiler pressure regulation in demanding environments

common failure points in standard pressure switches

reducing strain on the furnace control board

Carrier HH18HA296 Limit Switch 318973-401 How do I verify ifThe Carrier HH18HA296 Limit Switch is a critical OEM replacement part engineered to maintain system integrity by monitoring discharge air or internal temperatures. This assembly serves as a high limit safety device, designed to open the electrical circuit if temperatures exceed the thermal cutout thresholdtypically calibrated around 300F for specific furnace and air handler applications. By integrating this genuine Carrier part, technicians ensure