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it should never be installed with the motor hanging upside down to prevent moisture accumulation in the housing
Once the heat exchanger cools to the 90°F reset point
Is the setpoint adjustable for field tuning
this genuine part maintains the original equipment’s performance specifications and safety tolerances
High-Temp Durability: Engineered with composite materials that resist degradation under high-heat flue path conditions
Trane ZZSENSAL0400AA Sensor 321042-401 it should never be installedThe Trane ZZSENSAL0400AA is a precision engineered OEM remote wired indoor sensor designed to provide localized temperature data for advanced climate control. In professional zoning applications, relying on a single thermostat location often leads to hot or cold spots; this remote temperature sensor allows the system to average readings across multiple zones or monitor a specific high priority space. It is a critical component for maintaining the