York S1-025-26366-002 Limit Switch Els PW 17895 including the D and E

including the D and E series bubblers

and Day & Night

preventing costly air leaks in concealed wall or ceiling installations

and comprehensive system diagnostics

Operating with a full port design

York S1-025-26366-002 Limit Switch Els PW 17895 including the D and EThe York S1 025 26366 002 Limit Switch is a critical safety component designed for precise thermal regulation within HVAC systems. This OEM replacement part functions as a SPDT limit switch, featuring a specific temperature range of 120 180F. When the plenum temperature reaches the 180F high limit threshold, the switch opens the circuit to the gas valve or heating element, preventing the heat exporter from catastrophic failure. Once the system cools