Carrier HH18HA150 Limit Switch 340155-7026 Corrosion Resistance: High-grade aluminum blades

Corrosion Resistance: High-grade aluminum blades resist oxidation

Direct-Acting Precision: Specifically optimized for normally open dampers

This system comes paired with the 1F51-619 non-programmable thermostat

and A1011F models

it does not utilize a start or run capacitor like a permanent split capacitor (PSC) motor would

Carrier HH18HA150 Limit Switch 340155-7026 Corrosion Resistance: High-grade aluminum bladesThe Carrier HH18HA150 150F Limit Switch is a critical OEM safety component engineered for precise thermal monitoring in HVAC furnaces and residential air handlers. As a veteran grade L150 40F limit control, this switch is designed to open on rise when the heat exchanger reaches a threshold of 150F, effectively interrupting the burner circuit to prevent thermal stress or equipment damage. It features an automatic reset mechanism that closes once