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indicating the circuit failed to close during inducer startup or opened during the heating cycle
The robust build prevents bending under high-flow turbulence
but approximately 2 inches above the mounting plate
keypad lockout for high-traffic areas
offering a secure termination point that meets code requirements
Trane CNT1405 Limit Switch 30067439-890 indicating the circuit failed toThe Trane CNT1405 is a high precision 55 65F Auto Limit Switch designed for critical temperature monitoring within HVAC systems and industrial air handlers. This SPST (Single Pole Single Throw) fixed setting control serves as a vital safety component, ensuring your equipment operates within calibrated parameters to prevent thermal related failure or freezing conditions. Engineered for rapid response, the switch is set to open at 65F and close at 55F,
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