System Compatibility: Designed specifically for York heating and cooling systems

Common indicators include "Sensor Open" or "No Flame Signal" errors despite valid sensor readings

Direct OEM Replacement: Seamlessly replaces the legacy GKT30018 part number with improved material composition

Durable Construction: Heavy-duty internal components designed to withstand the high-cycle environments of industrial machine and HVAC controls

Bard HVAC 8408-039BX Stat L99H008 System Compatibility: Designed specifically forThe Bard HVAC 8408 039BX Stat is a high precision L250 50F discharge line thermostat engineered for heavy duty commercial and wall mount equipment. As the direct replacement for 8408 039, this OEM component is critical for monitoring compressor discharge temperatures to prevent high head pressure events and thermal overload. Designed with a specific L250 50F setpoint, the switch opens at 250F and automatically resets at 200F (50F differential),