this pressure control switch is designed to handle both gaseous and liquid media

Smith systems to maintain original factory performance specifications

By replacing a worn head with this genuine Maxitrol part

What are the physical dimensions of the WHL0509

depending on the specific control board configuration

Nordyne 632675 Pressure Switch 340155-7026 this pressure control switch isThe Nordyne 632675 Pressure Switch is a critical safety component designed for high efficiency HVAC operations, specifically calibrated to a 1. 09" WC (water column) set point. As a veteran grade OEM furnace pressure switch, this part is engineered to monitor the pressure differential created by the inducer motor, ensuring the exhaust vent system is clear of obstructions before allowing the ignition sequence to proceed. This spst nc pressure switch