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including FT and SFT series unit heaters
providing accurate input for the defrost board
the ICP 1172766 Defrost Sensor is the primary diagnostic point
Industry Standard Identification: Yellow color-coded for rapid identification and error-free installation during field service
When diagnosing furnace overheating or frequent limit switch tripping
Carrier HH19ZH195 Limit Switch including FT and SFT seriesThe Carrier HH19ZH195 Limit Switch is a critical safety component designed for precise thermal monitoring in high demand HVACR systems. Engineered as a normally closed (NC), SPST (Single Pole Single Throw) control, this 195F CO auto limit switch serves as a reliable safeguard by interrupting the electrical circuit when the discharge air or heat exchanger temperature reaches 195 degrees Fahrenheit. This OEM Carrier replacement part is built to