Trane CNT4356 Primary Control L99H008 The split 8HS design

The split 8HS design

maintaining the unit's UL listing and safety margins

Broad Refrigerant Compatibility: UL listed for use with R410A

How do I verify if this valve is the cause of my pilot light failing

a safety requirement for many PTAC installations to ensure the unit shuts down if the cord is compromised or pinched

Trane CNT4356 Primary Control L99H008 The split 8HS designThe 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