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this specific model is designed for 120V control circuits
High-Voltage Efficiency: Optimized for 277V HVAC circuits
It is essential not to over-torque
What are the electrical requirements for this replacement
Carrier HH19ZA135 Limit Switch Refrigerant this specific model is designedFor contractors servicing Carrier residential and light commercial equipment, the Carrier HH19ZA135 Limit Switch is a critical safety component designed for precise thermal monitoring. This fixed temperature furnace limit control features an L135 40F calibration, meaning the contacts are normally closed and will open on a temperature rise at 135F, automatically resetting once the temperature drops below the 40F differential. This genuine OEM Carrier
