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Classified as a SPST normally closed switch
Key Benefits High-Temperature Durability: Specifically formulated EPDM material handles steam and hot water applications up to 300°F without degradation
ensuring the controller receives a true representation of supply or return air temperature
mitigating the risk of motor burnout in hermetic compressors
Trane CNT3785 Limit Switch Classified as a SPST normallyThe Trane CNT3785 Limit Switch is a heavy duty, OEM replacement part engineered for precise thermal regulation in commercial gas electric packaged units. This Single Pole Single Throw (SPST), normally closed (NC) switch is factory calibrated to open at 170F, effectively interrupting the burner circuit to prevent heat exchanger damage during high temperature events. Featuring an 11 inch insertion depth, the CNT3785 provides accurate sensing within the
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