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Always verify your specific unit controller requirements against the system wiring diagram to ensure an exact match
Technicians should check for no hot water
making it an ideal choice for 4-wire retrofits where pulling new thermostat wire is not feasible
Built for contractors who require a "set-and-forget" solution
Corrosion Resistance: Stainless steel ball and stem prevent premature wear in high-duty cycle applications
Trane CNT0927 Control 321702-401 Always verify your specific unitWhen you're dealing with thermal safety in high demand HVAC systems, the Trane CNT0927 Control provides the critical high limit protection required to maintain operational integrity. This genuine OEM Trane temperature control switch is engineered with a factory set open temperature of 280F, acting as a failsafe to prevent equipment overheating and potential component failure. Designed as a normally closed (N C) limit, the circuit remains closed during