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Multi-Voltage Compatibility: Operates on both 208-230V and 460V three-phase systems
When performing a humidifier solenoid repair or gas valve circuit service
ensuring proper electrical matching with original gas valves
preventing potential safety issues or premature component wear
typically found on fractional horsepower fan motors used in residential and light commercial units
Carrier HH12ZZ165 Limit Switch 318172-701 Multi-Voltage Compatibility: Operates on bothThe Carrier HH12ZZ165 Limit Switch is a critical OEM safety component engineered for precision thermal monitoring in HVAC furnaces and industrial heating systems. As a fixed temperature L165F 40 limit control, this switch features a normally closed (NC) circuit designed to open on a temperature rise at its 165F set point, effectively preventing heat exchanger damage. With a 40F differential, the automatic reset engages when the internal temperature