Bard HVAC 8406-086BX Pressure Switch When resolving issues with furnace

When resolving issues with furnace burner replacement

and 277V AC applications at 22 Amps

Why is my pilot flame weak or hitting the thermocouple incorrectly

Durable OEM Construction: Built by Lennox to match the exact specifications required for Lennox and Allied Air branded equipment

055" orifice diameter

Bard HVAC 8406-086BX Pressure Switch When resolving issues with furnaceThe Bard 8406 086BX Pressure Switch is a critical safety and performance component designed for specific air proving applications within Bard wall mount units and HVAC systems. This 0. 35" WC SPDT pressure switch functions as a differential air pressure sensor, ensuring proper blower operation and venting before allowing the ignition sequence or cooling cycle to proceed. It is a direct factory replacement and is electrically and mechanically identical