and MX4X series

the 314100 is the official updated part number and serves as a drop-in replacement for the 312900 gasket

Tripping is typically caused by inadequate vent draw

preventing the loose contact that leads to inaccurate temperature cycling

York S1-024-40872-000 Pressure Switch and MX4X seriesThe York S1 024 40872 000 Pressure Switch is a critical safety component designed for precise HVAC pressure monitoring in residential and light commercial furnaces. This 0. 75" WC pressure switch functions as a draft inducer safety switch, verifying that the inducer motor is creating sufficient static pressure to vent combustion gases before the ignition sequence begins. As a genuine S1 024 40872 000 OEM replacement, it ensures your equipment operates