Bard HVAC 8408-039BX Stat 318518-761 Contractors should cross-reference the unit’s

Contractors should cross-reference the unit’s serial and model numbers with the manufacturer’s technical data sheet to ensure this kit matches the installed gas valve and burner manifold configuration

ensuring the switch trip point aligns perfectly with system requirements

or the valve failing to open despite receiving a 24V signal from the ignition control board

Durable Sealing: EPR elastomers ensure long-term seat integrity and resistance to compression set

ensuring seamless communication between the thermostat

Bard HVAC 8408-039BX Stat 318518-761 Contractors should cross-reference the unit’sThe 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),