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Flexible Mounting: The 3/4-inch flanged design allows for a secure airstream mount in standard furnace and heater openings
this specific model is calibrated for 208V AC operation
The top of the valve features a calibrated scale
and Ducane packaged units and furnaces
Trane CNT3787 Limit Switch 318820-201 Flexible Mounting: The 3/4-inch flangedThe Trane CNT3787 Limit Switch is a critical safety component designed for precise thermal monitoring within residential and commercial furnace heat exchangers. As an OEM Trane replacement part, this 260F CO AUTO limit switch is engineered to interrupt the heating circuit should the internal plenum temperature exceed its fixed 260 degree Fahrenheit threshold. This high limit cutout ensures the system remains within safe operating parameters,
