Trane CNT4356 Primary Control 319847-401 This mechanical line voltage thermostat

This mechanical line voltage thermostat is a direct solution for technicians requiring a robust

this unit is a direct replacement

Built to withstand the rigorous demands of industrial and commercial heating applications

Common signs include the burner failing to ignite

Key Benefits for Technicians OEM Compatibility: Precision-engineered for exact fitment in Carrier LH33WZ019 applications

Trane CNT4356 Primary Control 319847-401 This mechanical line voltage thermostatThe Trane CNT4356 Primary Control is a critical direct service replacement component engineered for high reliability oil furnace and boiler burner management. As a veteran grade HVAC part, this burner primary control manages the ignition cycle, monitors the CAD cell for flame verification, and executes safety lockouts to prevent hazardous oil accumulation in the combustion chamber. When you are on a service call for a Trane furnace that wont fire, the