Nordyne 632489R Pressure Switch Precision Regulation: Rubber seat poppet

Precision Regulation: Rubber seat poppet design provides superior lock-up and consistent outlet pressure under varying loads

verify that the orifice is clear of oil and debris to maintain flow coefficients

Optimized Flow: Designed to minimize pressure drop

Replacing a B1370107 with a B1370156: Yes

Nordyne 632489R Pressure Switch Precision Regulation: Rubber seat poppetThe 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