Trane CNT4356 Primary Control L99H008 The split 8HS design

The split 8HS design

Universal Compatibility: Engineered for Burnham 202-210 and 805-810 series boilers

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

It is technically identical to the 190-050 and AT-1155 crosses

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