York S1-024-39718-000 Switch 319852-301 Always measure your existing frame

Always measure your existing frame before ordering

using the correct color-coded spring is essential for ensuring the diaphragm responds correctly to varying flow demands and inlet pressures

Engineering for versatile application

Can I replace a manual reset switch with an auto-reset version

While the standard RV48 features a vent hole

York S1-024-39718-000 Switch 319852-301 Always measure your existing frameThe York S1 024 39718 000 is an OEM two stage pressure switch designed for precision air flow monitoring in high efficiency furnace systems. This 0. 90" WC pressure switch serves as a critical safety component, ensuring the draft inducer motor is generating the required vacuum pressure before the ignition sequence initiates. Specifically engineered for York, Coleman, and Luxaire gas furnaces, this high fire switch prevents hazardous conditions like