Carrier HH18HV135 Limit Switch 320735-701 it ensures that if the

it ensures that if the pilot flame is extinguished

ensuring smooth operation in 208-230V single-phase systems

while Terminal 5 is the common side of the coil

Heavy-Duty Construction: Built with high-temperature alloys to resist oxidation and corrosion in chlorinated environments

Reliable Actuation: Pilot-operated slide design ensures positive shifting in both heating and cooling modes

Carrier HH18HV135 Limit Switch 320735-701 it ensures that if theThe Carrier HH18HV135 Limit Switch is a critical OEM replacement part designed for high limit thermal protection in residential and commercial HVAC systems. This disc style sensor features a normally closed (NC) configuration that triggers an open circuit at 135F to prevent heat exchanger damage or unsafe operating conditions. Once the temperature drops to 110F, the automatic reset capability restores the circuit, ensuring continuous system operation