Trane ZZSENSAL0400AA Sensor 321042-401 the DP-3800 prevents moisture-related issues

the DP-3800 prevents moisture-related issues such as corrosion and downstream equipment failure by ensuring consistent water evacuation without manual intervention

Is the setpoint adjustable for field tuning

Compatible with glycol-based systems

Once the heat exchanger cools to the 90°F reset point

this genuine part maintains the original equipment’s performance specifications and safety tolerances

Trane ZZSENSAL0400AA Sensor 321042-401 the DP-3800 prevents moisture-related issuesThe 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