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or total failure of the permanent split capacitor (PSC) motor
Containing a 40% glycol concentration
Verify your specific ignitor voltage before installation
providing necessary thermal insulation and stability during high-temperature ignition cycles
matching standard commercial power requirements
Carrier HH18HA036 Defrost Thermostat 321702-401 or total failure of theThe Carrier HH18HA036 Defrost Thermostat is a critical genuine OEM replacement part designed to regulate the defrost cycle in high efficiency Carrier heat pump systems and air conditioning units. For technicians troubleshooting icing issues, this coil temperature sensor is the standard solution for monitoring evaporator or outdoor coil conditions. When the coil temperature drops below the set point, this defrost switch initiates the sequence to