Nordyne 632489R Pressure Switch the hopper may sit at

the hopper may sit at an angle

the ignition control board will typically signal a lockout code

This is an automatic reset limit switch

and 143-80-6 (LPCO)

Dual Primary Taps: Supports both 208V and 230V configurations for versatile field applications

Nordyne 632489R Pressure Switch the hopper may sit atThe Nordyne 632489R Pressure Switch is a critical safety component designed for high efficiency gas furnaces and HVAC systems. As an OEM HVAC replacement part, it ensures precise monitoring of combustion blower static pressure. This SPST (Single Pole Single Throw) switch is factory calibrated with a 0. 70" WC set point, providing essential proof of airflow before allowing the ignition sequence to proceed. The unit features a 1 4" barb connection for